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path: root/drivers/gpu/drm/exynos/exynos_drm_fimd.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimd.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c1023
1 files changed, 479 insertions, 544 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 97c61dbffd8..33161ad3820 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -14,13 +14,15 @@
#include <drm/drmP.h>
#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pm_runtime.h>
+#include <linux/component.h>
#include <video/of_display_timing.h>
+#include <video/of_videomode.h>
#include <video/samsung_fimd.h>
#include <drm/exynos_drm.h>
@@ -30,12 +32,15 @@
#include "exynos_drm_iommu.h"
/*
- * FIMD is stand for Fully Interactive Mobile Display and
+ * FIMD stands for Fully Interactive Mobile Display and
* as a display controller, it transfers contents drawn on memory
* to a LCD Panel through Display Interfaces such as RGB or
* CPU Interface.
*/
+#define FIMD_DEFAULT_FRAMERATE 60
+#define MIN_FB_WIDTH_FOR_16WORD_BURST 128
+
/* position control register for hardware window 0, 2 ~ 4.*/
#define VIDOSD_A(win) (VIDOSD_BASE + 0x00 + (win) * 16)
#define VIDOSD_B(win) (VIDOSD_BASE + 0x04 + (win) * 16)
@@ -59,18 +64,30 @@
/* FIMD has totally five hardware windows. */
#define WINDOWS_NR 5
-#define get_fimd_context(dev) platform_get_drvdata(to_platform_device(dev))
+#define get_fimd_manager(mgr) platform_get_drvdata(to_platform_device(dev))
struct fimd_driver_data {
unsigned int timing_base;
+
+ unsigned int has_shadowcon:1;
+ unsigned int has_clksel:1;
+ unsigned int has_limited_fmt:1;
+};
+
+static struct fimd_driver_data s3c64xx_fimd_driver_data = {
+ .timing_base = 0x0,
+ .has_clksel = 1,
+ .has_limited_fmt = 1,
};
static struct fimd_driver_data exynos4_fimd_driver_data = {
.timing_base = 0x0,
+ .has_shadowcon = 1,
};
static struct fimd_driver_data exynos5_fimd_driver_data = {
.timing_base = 0x20000,
+ .has_shadowcon = 1,
};
struct fimd_win_data {
@@ -81,6 +98,7 @@ struct fimd_win_data {
unsigned int fb_width;
unsigned int fb_height;
unsigned int bpp;
+ unsigned int pixel_format;
dma_addr_t dma_addr;
unsigned int buf_offsize;
unsigned int line_size; /* bytes */
@@ -89,211 +107,238 @@ struct fimd_win_data {
};
struct fimd_context {
- struct exynos_drm_subdrv subdrv;
- int irq;
- struct drm_crtc *crtc;
+ struct device *dev;
+ struct drm_device *drm_dev;
struct clk *bus_clk;
struct clk *lcd_clk;
void __iomem *regs;
+ struct drm_display_mode mode;
struct fimd_win_data win_data[WINDOWS_NR];
- unsigned int clkdiv;
unsigned int default_win;
unsigned long irq_flags;
- u32 vidcon0;
u32 vidcon1;
bool suspended;
- struct mutex lock;
+ int pipe;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
- struct exynos_drm_panel_info *panel;
+ struct exynos_drm_panel_info panel;
+ struct fimd_driver_data *driver_data;
+ struct exynos_drm_display *display;
};
-#ifdef CONFIG_OF
static const struct of_device_id fimd_driver_dt_match[] = {
+ { .compatible = "samsung,s3c6400-fimd",
+ .data = &s3c64xx_fimd_driver_data },
{ .compatible = "samsung,exynos4210-fimd",
.data = &exynos4_fimd_driver_data },
{ .compatible = "samsung,exynos5250-fimd",
.data = &exynos5_fimd_driver_data },
{},
};
-MODULE_DEVICE_TABLE(of, fimd_driver_dt_match);
-#endif
static inline struct fimd_driver_data *drm_fimd_get_driver_data(
struct platform_device *pdev)
{
-#ifdef CONFIG_OF
const struct of_device_id *of_id =
of_match_device(fimd_driver_dt_match, &pdev->dev);
- if (of_id)
- return (struct fimd_driver_data *)of_id->data;
-#endif
-
- return (struct fimd_driver_data *)
- platform_get_device_id(pdev)->driver_data;
+ return (struct fimd_driver_data *)of_id->data;
}
-static bool fimd_display_is_connected(struct device *dev)
+static void fimd_wait_for_vblank(struct exynos_drm_manager *mgr)
{
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ struct fimd_context *ctx = mgr->ctx;
- /* TODO. */
+ if (ctx->suspended)
+ return;
- return true;
+ atomic_set(&ctx->wait_vsync_event, 1);
+
+ /*
+ * wait for FIMD to signal VSYNC interrupt or return after
+ * timeout which is set to 50ms (refresh rate of 20).
+ */
+ if (!wait_event_timeout(ctx->wait_vsync_queue,
+ !atomic_read(&ctx->wait_vsync_event),
+ HZ/20))
+ DRM_DEBUG_KMS("vblank wait timed out.\n");
}
-static void *fimd_get_panel(struct device *dev)
+
+static void fimd_clear_channel(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
+ int win, ch_enabled = 0;
DRM_DEBUG_KMS("%s\n", __FILE__);
- return ctx->panel;
+ /* Check if any channel is enabled. */
+ for (win = 0; win < WINDOWS_NR; win++) {
+ u32 val = readl(ctx->regs + SHADOWCON);
+ if (val & SHADOWCON_CHx_ENABLE(win)) {
+ val &= ~SHADOWCON_CHx_ENABLE(win);
+ writel(val, ctx->regs + SHADOWCON);
+ ch_enabled = 1;
+ }
+ }
+
+ /* Wait for vsync, as disable channel takes effect at next vsync */
+ if (ch_enabled)
+ fimd_wait_for_vblank(mgr);
}
-static int fimd_check_timing(struct device *dev, void *timing)
+static int fimd_mgr_initialize(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev)
{
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ struct fimd_context *ctx = mgr->ctx;
+ struct exynos_drm_private *priv;
+ priv = drm_dev->dev_private;
- /* TODO. */
+ mgr->drm_dev = ctx->drm_dev = drm_dev;
+ mgr->pipe = ctx->pipe = priv->pipe++;
- return 0;
-}
+ /*
+ * enable drm irq mode.
+ * - with irq_enabled = true, we can use the vblank feature.
+ *
+ * P.S. note that we wouldn't use drm irq handler but
+ * just specific driver own one instead because
+ * drm framework supports only one irq handler.
+ */
+ drm_dev->irq_enabled = true;
-static int fimd_display_power_on(struct device *dev, int mode)
-{
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ /*
+ * with vblank_disable_allowed = true, vblank interrupt will be disabled
+ * by drm timer once a current process gives up ownership of
+ * vblank event.(after drm_vblank_put function is called)
+ */
+ drm_dev->vblank_disable_allowed = true;
- /* TODO */
+ /* attach this sub driver to iommu mapping if supported. */
+ if (is_drm_iommu_supported(ctx->drm_dev)) {
+ /*
+ * If any channel is already active, iommu will throw
+ * a PAGE FAULT when enabled. So clear any channel if enabled.
+ */
+ fimd_clear_channel(mgr);
+ drm_iommu_attach_device(ctx->drm_dev, ctx->dev);
+ }
return 0;
}
-static struct exynos_drm_display_ops fimd_display_ops = {
- .type = EXYNOS_DISPLAY_TYPE_LCD,
- .is_connected = fimd_display_is_connected,
- .get_panel = fimd_get_panel,
- .check_timing = fimd_check_timing,
- .power_on = fimd_display_power_on,
-};
-
-static void fimd_dpms(struct device *subdrv_dev, int mode)
+static void fimd_mgr_remove(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(subdrv_dev);
+ struct fimd_context *ctx = mgr->ctx;
- DRM_DEBUG_KMS("%s, %d\n", __FILE__, mode);
+ /* detach this sub driver from iommu mapping if supported. */
+ if (is_drm_iommu_supported(ctx->drm_dev))
+ drm_iommu_detach_device(ctx->drm_dev, ctx->dev);
+}
- mutex_lock(&ctx->lock);
+static u32 fimd_calc_clkdiv(struct fimd_context *ctx,
+ const struct drm_display_mode *mode)
+{
+ unsigned long ideal_clk = mode->htotal * mode->vtotal * mode->vrefresh;
+ u32 clkdiv;
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- /*
- * enable fimd hardware only if suspended status.
- *
- * P.S. fimd_dpms function would be called at booting time so
- * clk_enable could be called double time.
- */
- if (ctx->suspended)
- pm_runtime_get_sync(subdrv_dev);
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- if (!ctx->suspended)
- pm_runtime_put_sync(subdrv_dev);
- break;
- default:
- DRM_DEBUG_KMS("unspecified mode %d\n", mode);
- break;
- }
+ /* Find the clock divider value that gets us closest to ideal_clk */
+ clkdiv = DIV_ROUND_UP(clk_get_rate(ctx->lcd_clk), ideal_clk);
- mutex_unlock(&ctx->lock);
+ return (clkdiv < 0x100) ? clkdiv : 0xff;
}
-static void fimd_apply(struct device *subdrv_dev)
+static bool fimd_mode_fixup(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
{
- struct fimd_context *ctx = get_fimd_context(subdrv_dev);
- struct exynos_drm_manager *mgr = ctx->subdrv.manager;
- struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
- struct exynos_drm_overlay_ops *ovl_ops = mgr->overlay_ops;
- struct fimd_win_data *win_data;
- int i;
+ if (adjusted_mode->vrefresh == 0)
+ adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE;
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ return true;
+}
- for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- if (win_data->enabled && (ovl_ops && ovl_ops->commit))
- ovl_ops->commit(subdrv_dev, i);
- }
+static void fimd_mode_set(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *in_mode)
+{
+ struct fimd_context *ctx = mgr->ctx;
- if (mgr_ops && mgr_ops->commit)
- mgr_ops->commit(subdrv_dev);
+ drm_mode_copy(&ctx->mode, in_mode);
}
-static void fimd_commit(struct device *dev)
+static void fimd_commit(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
- struct exynos_drm_panel_info *panel = ctx->panel;
- struct fb_videomode *timing = &panel->timing;
+ struct fimd_context *ctx = mgr->ctx;
+ struct drm_display_mode *mode = &ctx->mode;
struct fimd_driver_data *driver_data;
- struct platform_device *pdev = to_platform_device(dev);
- u32 val;
+ u32 val, clkdiv, vidcon1;
+ int vsync_len, vbpd, vfpd, hsync_len, hbpd, hfpd;
- driver_data = drm_fimd_get_driver_data(pdev);
+ driver_data = ctx->driver_data;
if (ctx->suspended)
return;
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ /* nothing to do if we haven't set the mode yet */
+ if (mode->htotal == 0 || mode->vtotal == 0)
+ return;
- /* setup polarity values from machine code. */
- writel(ctx->vidcon1, ctx->regs + driver_data->timing_base + VIDCON1);
+ /* setup polarity values */
+ vidcon1 = ctx->vidcon1;
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ vidcon1 |= VIDCON1_INV_VSYNC;
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ vidcon1 |= VIDCON1_INV_HSYNC;
+ writel(vidcon1, ctx->regs + driver_data->timing_base + VIDCON1);
/* setup vertical timing values. */
- val = VIDTCON0_VBPD(timing->upper_margin - 1) |
- VIDTCON0_VFPD(timing->lower_margin - 1) |
- VIDTCON0_VSPW(timing->vsync_len - 1);
+ vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
+ vbpd = mode->crtc_vtotal - mode->crtc_vsync_end;
+ vfpd = mode->crtc_vsync_start - mode->crtc_vdisplay;
+
+ val = VIDTCON0_VBPD(vbpd - 1) |
+ VIDTCON0_VFPD(vfpd - 1) |
+ VIDTCON0_VSPW(vsync_len - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON0);
/* setup horizontal timing values. */
- val = VIDTCON1_HBPD(timing->left_margin - 1) |
- VIDTCON1_HFPD(timing->right_margin - 1) |
- VIDTCON1_HSPW(timing->hsync_len - 1);
+ hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
+ hbpd = mode->crtc_htotal - mode->crtc_hsync_end;
+ hfpd = mode->crtc_hsync_start - mode->crtc_hdisplay;
+
+ val = VIDTCON1_HBPD(hbpd - 1) |
+ VIDTCON1_HFPD(hfpd - 1) |
+ VIDTCON1_HSPW(hsync_len - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON1);
/* setup horizontal and vertical display size. */
- val = VIDTCON2_LINEVAL(timing->yres - 1) |
- VIDTCON2_HOZVAL(timing->xres - 1) |
- VIDTCON2_LINEVAL_E(timing->yres - 1) |
- VIDTCON2_HOZVAL_E(timing->xres - 1);
+ val = VIDTCON2_LINEVAL(mode->vdisplay - 1) |
+ VIDTCON2_HOZVAL(mode->hdisplay - 1) |
+ VIDTCON2_LINEVAL_E(mode->vdisplay - 1) |
+ VIDTCON2_HOZVAL_E(mode->hdisplay - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON2);
- /* setup clock source, clock divider, enable dma. */
- val = ctx->vidcon0;
- val &= ~(VIDCON0_CLKVAL_F_MASK | VIDCON0_CLKDIR);
-
- if (ctx->clkdiv > 1)
- val |= VIDCON0_CLKVAL_F(ctx->clkdiv - 1) | VIDCON0_CLKDIR;
- else
- val &= ~VIDCON0_CLKDIR; /* 1:1 clock */
-
/*
* fields of register with prefix '_F' would be updated
* at vsync(same as dma start)
*/
- val |= VIDCON0_ENVID | VIDCON0_ENVID_F;
+ val = VIDCON0_ENVID | VIDCON0_ENVID_F;
+
+ if (ctx->driver_data->has_clksel)
+ val |= VIDCON0_CLKSEL_LCD;
+
+ clkdiv = fimd_calc_clkdiv(ctx, mode);
+ if (clkdiv > 1)
+ val |= VIDCON0_CLKVAL_F(clkdiv - 1) | VIDCON0_CLKDIR;
+
writel(val, ctx->regs + VIDCON0);
}
-static int fimd_enable_vblank(struct device *dev)
+static int fimd_enable_vblank(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
u32 val;
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
if (ctx->suspended)
return -EPERM;
@@ -314,13 +359,11 @@ static int fimd_enable_vblank(struct device *dev)
return 0;
}
-static void fimd_disable_vblank(struct device *dev)
+static void fimd_disable_vblank(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
u32 val;
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
if (ctx->suspended)
return;
@@ -334,46 +377,16 @@ static void fimd_disable_vblank(struct device *dev)
}
}
-static void fimd_wait_for_vblank(struct device *dev)
-{
- struct fimd_context *ctx = get_fimd_context(dev);
-
- if (ctx->suspended)
- return;
-
- atomic_set(&ctx->wait_vsync_event, 1);
-
- /*
- * wait for FIMD to signal VSYNC interrupt or return after
- * timeout which is set to 50ms (refresh rate of 20).
- */
- if (!wait_event_timeout(ctx->wait_vsync_queue,
- !atomic_read(&ctx->wait_vsync_event),
- DRM_HZ/20))
- DRM_DEBUG_KMS("vblank wait timed out.\n");
-}
-
-static struct exynos_drm_manager_ops fimd_manager_ops = {
- .dpms = fimd_dpms,
- .apply = fimd_apply,
- .commit = fimd_commit,
- .enable_vblank = fimd_enable_vblank,
- .disable_vblank = fimd_disable_vblank,
- .wait_for_vblank = fimd_wait_for_vblank,
-};
-
-static void fimd_win_mode_set(struct device *dev,
- struct exynos_drm_overlay *overlay)
+static void fimd_win_mode_set(struct exynos_drm_manager *mgr,
+ struct exynos_drm_overlay *overlay)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int win;
unsigned long offset;
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
if (!overlay) {
- dev_err(dev, "overlay is NULL\n");
+ DRM_ERROR("overlay is NULL\n");
return;
}
@@ -381,7 +394,7 @@ static void fimd_win_mode_set(struct device *dev,
if (win == DEFAULT_ZPOS)
win = ctx->default_win;
- if (win < 0 || win > WINDOWS_NR)
+ if (win < 0 || win >= WINDOWS_NR)
return;
offset = overlay->fb_x * (overlay->bpp >> 3);
@@ -399,6 +412,7 @@ static void fimd_win_mode_set(struct device *dev,
win_data->fb_height = overlay->fb_height;
win_data->dma_addr = overlay->dma_addr[0] + offset;
win_data->bpp = overlay->bpp;
+ win_data->pixel_format = overlay->pixel_format;
win_data->buf_offsize = (overlay->fb_width - overlay->crtc_width) *
(overlay->bpp >> 3);
win_data->line_size = overlay->crtc_width * (overlay->bpp >> 3);
@@ -412,49 +426,45 @@ static void fimd_win_mode_set(struct device *dev,
overlay->fb_width, overlay->crtc_width);
}
-static void fimd_win_set_pixfmt(struct device *dev, unsigned int win)
+static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win)
{
- struct fimd_context *ctx = get_fimd_context(dev);
struct fimd_win_data *win_data = &ctx->win_data[win];
unsigned long val;
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
val = WINCONx_ENWIN;
- switch (win_data->bpp) {
- case 1:
- val |= WINCON0_BPPMODE_1BPP;
- val |= WINCONx_BITSWP;
- val |= WINCONx_BURSTLEN_4WORD;
- break;
- case 2:
- val |= WINCON0_BPPMODE_2BPP;
- val |= WINCONx_BITSWP;
- val |= WINCONx_BURSTLEN_8WORD;
- break;
- case 4:
- val |= WINCON0_BPPMODE_4BPP;
- val |= WINCONx_BITSWP;
- val |= WINCONx_BURSTLEN_8WORD;
- break;
- case 8:
+ /*
+ * In case of s3c64xx, window 0 doesn't support alpha channel.
+ * So the request format is ARGB8888 then change it to XRGB8888.
+ */
+ if (ctx->driver_data->has_limited_fmt && !win) {
+ if (win_data->pixel_format == DRM_FORMAT_ARGB8888)
+ win_data->pixel_format = DRM_FORMAT_XRGB8888;
+ }
+
+ switch (win_data->pixel_format) {
+ case DRM_FORMAT_C8:
val |= WINCON0_BPPMODE_8BPP_PALETTE;
val |= WINCONx_BURSTLEN_8WORD;
val |= WINCONx_BYTSWP;
break;
- case 16:
+ case DRM_FORMAT_XRGB1555:
+ val |= WINCON0_BPPMODE_16BPP_1555;
+ val |= WINCONx_HAWSWP;
+ val |= WINCONx_BURSTLEN_16WORD;
+ break;
+ case DRM_FORMAT_RGB565:
val |= WINCON0_BPPMODE_16BPP_565;
val |= WINCONx_HAWSWP;
val |= WINCONx_BURSTLEN_16WORD;
break;
- case 24:
+ case DRM_FORMAT_XRGB8888:
val |= WINCON0_BPPMODE_24BPP_888;
val |= WINCONx_WSWP;
val |= WINCONx_BURSTLEN_16WORD;
break;
- case 32:
- val |= WINCON1_BPPMODE_28BPP_A4888
+ case DRM_FORMAT_ARGB8888:
+ val |= WINCON1_BPPMODE_25BPP_A1888
| WINCON1_BLD_PIX | WINCON1_ALPHA_SEL;
val |= WINCONx_WSWP;
val |= WINCONx_BURSTLEN_16WORD;
@@ -470,16 +480,26 @@ static void fimd_win_set_pixfmt(struct device *dev, unsigned int win)
DRM_DEBUG_KMS("bpp = %d\n", win_data->bpp);
+ /*
+ * In case of exynos, setting dma-burst to 16Word causes permanent
+ * tearing for very small buffers, e.g. cursor buffer. Burst Mode
+ * switching which is based on overlay size is not recommended as
+ * overlay size varies alot towards the end of the screen and rapid
+ * movement causes unstable DMA which results into iommu crash/tear.
+ */
+
+ if (win_data->fb_width < MIN_FB_WIDTH_FOR_16WORD_BURST) {
+ val &= ~WINCONx_BURSTLEN_MASK;
+ val |= WINCONx_BURSTLEN_4WORD;
+ }
+
writel(val, ctx->regs + WINCON(win));
}
-static void fimd_win_set_colkey(struct device *dev, unsigned int win)
+static void fimd_win_set_colkey(struct fimd_context *ctx, unsigned int win)
{
- struct fimd_context *ctx = get_fimd_context(dev);
unsigned int keycon0 = 0, keycon1 = 0;
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
keycon0 = ~(WxKEYCON0_KEYBL_EN | WxKEYCON0_KEYEN_F |
WxKEYCON0_DIRCON) | WxKEYCON0_COMPKEY(0);
@@ -489,30 +509,61 @@ static void fimd_win_set_colkey(struct device *dev, unsigned int win)
writel(keycon1, ctx->regs + WKEYCON1_BASE(win));
}
-static void fimd_win_commit(struct device *dev, int zpos)
+/**
+ * shadow_protect_win() - disable updating values from shadow registers at vsync
+ *
+ * @win: window to protect registers for
+ * @protect: 1 to protect (disable updates)
+ */
+static void fimd_shadow_protect_win(struct fimd_context *ctx,
+ int win, bool protect)
+{
+ u32 reg, bits, val;
+
+ if (ctx->driver_data->has_shadowcon) {
+ reg = SHADOWCON;
+ bits = SHADOWCON_WINx_PROTECT(win);
+ } else {
+ reg = PRTCON;
+ bits = PRTCON_PROTECT;
+ }
+
+ val = readl(ctx->regs + reg);
+ if (protect)
+ val |= bits;
+ else
+ val &= ~bits;
+ writel(val, ctx->regs + reg);
+}
+
+static void fimd_win_commit(struct exynos_drm_manager *mgr, int zpos)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int win = zpos;
unsigned long val, alpha, size;
unsigned int last_x;
unsigned int last_y;
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
if (ctx->suspended)
return;
if (win == DEFAULT_ZPOS)
win = ctx->default_win;
- if (win < 0 || win > WINDOWS_NR)
+ if (win < 0 || win >= WINDOWS_NR)
return;
win_data = &ctx->win_data[win];
+ /* If suspended, enable this on resume */
+ if (ctx->suspended) {
+ win_data->resume = true;
+ return;
+ }
+
/*
- * SHADOWCON register is used for enabling timing.
+ * SHADOWCON/PRTCON register is used for enabling timing.
*
* for example, once only width value of a register is set,
* if the dma is started then fimd hardware could malfunction so
@@ -522,9 +573,7 @@ static void fimd_win_commit(struct device *dev, int zpos)
*/
/* protect windows */
- val = readl(ctx->regs + SHADOWCON);
- val |= SHADOWCON_WINx_PROTECT(win);
- writel(val, ctx->regs + SHADOWCON);
+ fimd_shadow_protect_win(ctx, win, true);
/* buffer start address */
val = (unsigned long)win_data->dma_addr;
@@ -590,11 +639,11 @@ static void fimd_win_commit(struct device *dev, int zpos)
DRM_DEBUG_KMS("osd size = 0x%x\n", (unsigned int)val);
}
- fimd_win_set_pixfmt(dev, win);
+ fimd_win_set_pixfmt(ctx, win);
/* hardware window 0 doesn't support color key. */
if (win != 0)
- fimd_win_set_colkey(dev, win);
+ fimd_win_set_colkey(ctx, win);
/* wincon */
val = readl(ctx->regs + WINCON(win));
@@ -602,27 +651,28 @@ static void fimd_win_commit(struct device *dev, int zpos)
writel(val, ctx->regs + WINCON(win));
/* Enable DMA channel and unprotect windows */
- val = readl(ctx->regs + SHADOWCON);
- val |= SHADOWCON_CHx_ENABLE(win);
- val &= ~SHADOWCON_WINx_PROTECT(win);
- writel(val, ctx->regs + SHADOWCON);
+ fimd_shadow_protect_win(ctx, win, false);
+
+ if (ctx->driver_data->has_shadowcon) {
+ val = readl(ctx->regs + SHADOWCON);
+ val |= SHADOWCON_CHx_ENABLE(win);
+ writel(val, ctx->regs + SHADOWCON);
+ }
win_data->enabled = true;
}
-static void fimd_win_disable(struct device *dev, int zpos)
+static void fimd_win_disable(struct exynos_drm_manager *mgr, int zpos)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int win = zpos;
u32 val;
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
if (win == DEFAULT_ZPOS)
win = ctx->default_win;
- if (win < 0 || win > WINDOWS_NR)
+ if (win < 0 || win >= WINDOWS_NR)
return;
win_data = &ctx->win_data[win];
@@ -634,9 +684,7 @@ static void fimd_win_disable(struct device *dev, int zpos)
}
/* protect windows */
- val = readl(ctx->regs + SHADOWCON);
- val |= SHADOWCON_WINx_PROTECT(win);
- writel(val, ctx->regs + SHADOWCON);
+ fimd_shadow_protect_win(ctx, win, true);
/* wincon */
val = readl(ctx->regs + WINCON(win));
@@ -644,457 +692,344 @@ static void fimd_win_disable(struct device *dev, int zpos)
writel(val, ctx->regs + WINCON(win));
/* unprotect windows */
- val = readl(ctx->regs + SHADOWCON);
- val &= ~SHADOWCON_CHx_ENABLE(win);
- val &= ~SHADOWCON_WINx_PROTECT(win);
- writel(val, ctx->regs + SHADOWCON);
+ if (ctx->driver_data->has_shadowcon) {
+ val = readl(ctx->regs + SHADOWCON);
+ val &= ~SHADOWCON_CHx_ENABLE(win);
+ writel(val, ctx->regs + SHADOWCON);
+ }
+
+ fimd_shadow_protect_win(ctx, win, false);
win_data->enabled = false;
}
-static struct exynos_drm_overlay_ops fimd_overlay_ops = {
- .mode_set = fimd_win_mode_set,
- .commit = fimd_win_commit,
- .disable = fimd_win_disable,
-};
-
-static struct exynos_drm_manager fimd_manager = {
- .pipe = -1,
- .ops = &fimd_manager_ops,
- .overlay_ops = &fimd_overlay_ops,
- .display_ops = &fimd_display_ops,
-};
-
-static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
+static void fimd_window_suspend(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = (struct fimd_context *)dev_id;
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct drm_device *drm_dev = subdrv->drm_dev;
- struct exynos_drm_manager *manager = subdrv->manager;
- u32 val;
-
- val = readl(ctx->regs + VIDINTCON1);
-
- if (val & VIDINTCON1_INT_FRAME)
- /* VSYNC interrupt */
- writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
-
- /* check the crtc is detached already from encoder */
- if (manager->pipe < 0)
- goto out;
-
- drm_handle_vblank(drm_dev, manager->pipe);
- exynos_drm_crtc_finish_pageflip(drm_dev, manager->pipe);
+ struct fimd_context *ctx = mgr->ctx;
+ struct fimd_win_data *win_data;
+ int i;
- /* set wait vsync event to zero and wake up queue. */
- if (atomic_read(&ctx->wait_vsync_event)) {
- atomic_set(&ctx->wait_vsync_event, 0);
- DRM_WAKEUP(&ctx->wait_vsync_queue);
+ for (i = 0; i < WINDOWS_NR; i++) {
+ win_data = &ctx->win_data[i];
+ win_data->resume = win_data->enabled;
+ if (win_data->enabled)
+ fimd_win_disable(mgr, i);
}
-out:
- return IRQ_HANDLED;
+ fimd_wait_for_vblank(mgr);
}
-static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
+static void fimd_window_resume(struct exynos_drm_manager *mgr)
{
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ struct fimd_context *ctx = mgr->ctx;
+ struct fimd_win_data *win_data;
+ int i;
- /*
- * enable drm irq mode.
- * - with irq_enabled = 1, we can use the vblank feature.
- *
- * P.S. note that we wouldn't use drm irq handler but
- * just specific driver own one instead because
- * drm framework supports only one irq handler.
- */
- drm_dev->irq_enabled = 1;
+ for (i = 0; i < WINDOWS_NR; i++) {
+ win_data = &ctx->win_data[i];
+ win_data->enabled = win_data->resume;
+ win_data->resume = false;
+ }
+}
- /*
- * with vblank_disable_allowed = 1, vblank interrupt will be disabled
- * by drm timer once a current process gives up ownership of
- * vblank event.(after drm_vblank_put function is called)
- */
- drm_dev->vblank_disable_allowed = 1;
+static void fimd_apply(struct exynos_drm_manager *mgr)
+{
+ struct fimd_context *ctx = mgr->ctx;
+ struct fimd_win_data *win_data;
+ int i;
- /* attach this sub driver to iommu mapping if supported. */
- if (is_drm_iommu_supported(drm_dev))
- drm_iommu_attach_device(drm_dev, dev);
+ for (i = 0; i < WINDOWS_NR; i++) {
+ win_data = &ctx->win_data[i];
+ if (win_data->enabled)
+ fimd_win_commit(mgr, i);
+ else
+ fimd_win_disable(mgr, i);
+ }
- return 0;
+ fimd_commit(mgr);
}
-static void fimd_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
+static int fimd_poweron(struct exynos_drm_manager *mgr)
{
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ struct fimd_context *ctx = mgr->ctx;
+ int ret;
- /* detach this sub driver from iommu mapping if supported. */
- if (is_drm_iommu_supported(drm_dev))
- drm_iommu_detach_device(drm_dev, dev);
-}
+ if (!ctx->suspended)
+ return 0;
-static int fimd_calc_clkdiv(struct fimd_context *ctx,
- struct fb_videomode *timing)
-{
- unsigned long clk = clk_get_rate(ctx->lcd_clk);
- u32 retrace;
- u32 clkdiv;
- u32 best_framerate = 0;
- u32 framerate;
+ ctx->suspended = false;
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ pm_runtime_get_sync(ctx->dev);
- retrace = timing->left_margin + timing->hsync_len +
- timing->right_margin + timing->xres;
- retrace *= timing->upper_margin + timing->vsync_len +
- timing->lower_margin + timing->yres;
-
- /* default framerate is 60Hz */
- if (!timing->refresh)
- timing->refresh = 60;
-
- clk /= retrace;
-
- for (clkdiv = 1; clkdiv < 0x100; clkdiv++) {
- int tmp;
-
- /* get best framerate */
- framerate = clk / clkdiv;
- tmp = timing->refresh - framerate;
- if (tmp < 0) {
- best_framerate = framerate;
- continue;
- } else {
- if (!best_framerate)
- best_framerate = framerate;
- else if (tmp < (best_framerate - framerate))
- best_framerate = framerate;
- break;
- }
+ ret = clk_prepare_enable(ctx->bus_clk);
+ if (ret < 0) {
+ DRM_ERROR("Failed to prepare_enable the bus clk [%d]\n", ret);
+ goto bus_clk_err;
}
- return clkdiv;
-}
+ ret = clk_prepare_enable(ctx->lcd_clk);
+ if (ret < 0) {
+ DRM_ERROR("Failed to prepare_enable the lcd clk [%d]\n", ret);
+ goto lcd_clk_err;
+ }
-static void fimd_clear_win(struct fimd_context *ctx, int win)
-{
- u32 val;
+ /* if vblank was enabled status, enable it again. */
+ if (test_and_clear_bit(0, &ctx->irq_flags)) {
+ ret = fimd_enable_vblank(mgr);
+ if (ret) {
+ DRM_ERROR("Failed to re-enable vblank [%d]\n", ret);
+ goto enable_vblank_err;
+ }
+ }
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ fimd_window_resume(mgr);
- writel(0, ctx->regs + WINCON(win));
- writel(0, ctx->regs + VIDOSD_A(win));
- writel(0, ctx->regs + VIDOSD_B(win));
- writel(0, ctx->regs + VIDOSD_C(win));
+ fimd_apply(mgr);
- if (win == 1 || win == 2)
- writel(0, ctx->regs + VIDOSD_D(win));
+ return 0;
- val = readl(ctx->regs + SHADOWCON);
- val &= ~SHADOWCON_WINx_PROTECT(win);
- writel(val, ctx->regs + SHADOWCON);
+enable_vblank_err:
+ clk_disable_unprepare(ctx->lcd_clk);
+lcd_clk_err:
+ clk_disable_unprepare(ctx->bus_clk);
+bus_clk_err:
+ ctx->suspended = true;
+ return ret;
}
-static int fimd_clock(struct fimd_context *ctx, bool enable)
+static int fimd_poweroff(struct exynos_drm_manager *mgr)
{
- DRM_DEBUG_KMS("%s\n", __FILE__);
+ struct fimd_context *ctx = mgr->ctx;
+
+ if (ctx->suspended)
+ return 0;
- if (enable) {
- int ret;
+ /*
+ * We need to make sure that all windows are disabled before we
+ * suspend that connector. Otherwise we might try to scan from
+ * a destroyed buffer later.
+ */
+ fimd_window_suspend(mgr);
- ret = clk_prepare_enable(ctx->bus_clk);
- if (ret < 0)
- return ret;
+ clk_disable_unprepare(ctx->lcd_clk);
+ clk_disable_unprepare(ctx->bus_clk);
- ret = clk_prepare_enable(ctx->lcd_clk);
- if (ret < 0) {
- clk_disable_unprepare(ctx->bus_clk);
- return ret;
- }
- } else {
- clk_disable_unprepare(ctx->lcd_clk);
- clk_disable_unprepare(ctx->bus_clk);
- }
+ pm_runtime_put_sync(ctx->dev);
+ ctx->suspended = true;
return 0;
}
-static void fimd_window_suspend(struct device *dev)
+static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
{
- struct fimd_context *ctx = get_fimd_context(dev);
- struct fimd_win_data *win_data;
- int i;
+ DRM_DEBUG_KMS("%s, %d\n", __FILE__, mode);
- for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- win_data->resume = win_data->enabled;
- fimd_win_disable(dev, i);
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ fimd_poweron(mgr);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ fimd_poweroff(mgr);
+ break;
+ default:
+ DRM_DEBUG_KMS("unspecified mode %d\n", mode);
+ break;
}
- fimd_wait_for_vblank(dev);
}
-static void fimd_window_resume(struct device *dev)
+static struct exynos_drm_manager_ops fimd_manager_ops = {
+ .dpms = fimd_dpms,
+ .mode_fixup = fimd_mode_fixup,
+ .mode_set = fimd_mode_set,
+ .commit = fimd_commit,
+ .enable_vblank = fimd_enable_vblank,
+ .disable_vblank = fimd_disable_vblank,
+ .wait_for_vblank = fimd_wait_for_vblank,
+ .win_mode_set = fimd_win_mode_set,
+ .win_commit = fimd_win_commit,
+ .win_disable = fimd_win_disable,
+};
+
+static struct exynos_drm_manager fimd_manager = {
+ .type = EXYNOS_DISPLAY_TYPE_LCD,
+ .ops = &fimd_manager_ops,
+};
+
+static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
{
- struct fimd_context *ctx = get_fimd_context(dev);
- struct fimd_win_data *win_data;
- int i;
+ struct fimd_context *ctx = (struct fimd_context *)dev_id;
+ u32 val;
- for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- win_data->enabled = win_data->resume;
- win_data->resume = false;
+ val = readl(ctx->regs + VIDINTCON1);
+
+ if (val & VIDINTCON1_INT_FRAME)
+ /* VSYNC interrupt */
+ writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
+
+ /* check the crtc is detached already from encoder */
+ if (ctx->pipe < 0 || !ctx->drm_dev)
+ goto out;
+
+ drm_handle_vblank(ctx->drm_dev, ctx->pipe);
+ exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe);
+
+ /* set wait vsync event to zero and wake up queue. */
+ if (atomic_read(&ctx->wait_vsync_event)) {
+ atomic_set(&ctx->wait_vsync_event, 0);
+ wake_up(&ctx->wait_vsync_queue);
}
+out:
+ return IRQ_HANDLED;
}
-static int fimd_activate(struct fimd_context *ctx, bool enable)
+static int fimd_bind(struct device *dev, struct device *master, void *data)
{
- struct device *dev = ctx->subdrv.dev;
- if (enable) {
- int ret;
+ struct fimd_context *ctx = fimd_manager.ctx;
+ struct drm_device *drm_dev = data;
- ret = fimd_clock(ctx, true);
- if (ret < 0)
- return ret;
+ fimd_mgr_initialize(&fimd_manager, drm_dev);
+ exynos_drm_crtc_create(&fimd_manager);
+ if (ctx->display)
+ exynos_drm_create_enc_conn(drm_dev, ctx->display);
- ctx->suspended = false;
+ return 0;
- /* if vblank was enabled status, enable it again. */
- if (test_and_clear_bit(0, &ctx->irq_flags))
- fimd_enable_vblank(dev);
+}
- fimd_window_resume(dev);
- } else {
- fimd_window_suspend(dev);
+static void fimd_unbind(struct device *dev, struct device *master,
+ void *data)
+{
+ struct exynos_drm_manager *mgr = dev_get_drvdata(dev);
+ struct fimd_context *ctx = fimd_manager.ctx;
+ struct drm_crtc *crtc = mgr->crtc;
- fimd_clock(ctx, false);
- ctx->suspended = true;
- }
+ fimd_dpms(mgr, DRM_MODE_DPMS_OFF);
- return 0;
+ if (ctx->display)
+ exynos_dpi_remove(dev);
+
+ fimd_mgr_remove(mgr);
+
+ crtc->funcs->destroy(crtc);
}
+static const struct component_ops fimd_component_ops = {
+ .bind = fimd_bind,
+ .unbind = fimd_unbind,
+};
+
static int fimd_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct fimd_context *ctx;
- struct exynos_drm_subdrv *subdrv;
- struct exynos_drm_fimd_pdata *pdata;
- struct exynos_drm_panel_info *panel;
struct resource *res;
- int win;
int ret = -EINVAL;
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- if (dev->of_node) {
- pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
- if (!pdata) {
- DRM_ERROR("memory allocation for pdata failed\n");
- return -ENOMEM;
- }
+ ret = exynos_drm_component_add(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC,
+ fimd_manager.type);
+ if (ret)
+ return ret;
- ret = of_get_fb_videomode(dev->of_node, &pdata->panel.timing,
- OF_USE_NATIVE_MODE);
- if (ret) {
- DRM_ERROR("failed: of_get_fb_videomode() : %d\n", ret);
- return ret;
- }
- } else {
- pdata = dev->platform_data;
- if (!pdata) {
- DRM_ERROR("no platform data specified\n");
- return -EINVAL;
- }
+ if (!dev->of_node) {
+ ret = -ENODEV;
+ goto err_del_component;
}
- panel = &pdata->panel;
- if (!panel) {
- dev_err(dev, "panel is null.\n");
- return -EINVAL;
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx) {
+ ret = -ENOMEM;
+ goto err_del_component;
}
- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
+ ctx->dev = dev;
+ ctx->suspended = true;
+
+ if (of_property_read_bool(dev->of_node, "samsung,invert-vden"))
+ ctx->vidcon1 |= VIDCON1_INV_VDEN;
+ if (of_property_read_bool(dev->of_node, "samsung,invert-vclk"))
+ ctx->vidcon1 |= VIDCON1_INV_VCLK;
ctx->bus_clk = devm_clk_get(dev, "fimd");
if (IS_ERR(ctx->bus_clk)) {
dev_err(dev, "failed to get bus clock\n");
- return PTR_ERR(ctx->bus_clk);
+ ret = PTR_ERR(ctx->bus_clk);
+ goto err_del_component;
}
ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd");
if (IS_ERR(ctx->lcd_clk)) {
dev_err(dev, "failed to get lcd clock\n");
- return PTR_ERR(ctx->lcd_clk);
+ ret = PTR_ERR(ctx->lcd_clk);
+ goto err_del_component;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ctx->regs = devm_ioremap_resource(dev, res);
- if (IS_ERR(ctx->regs))
- return PTR_ERR(ctx->regs);
+ if (IS_ERR(ctx->regs)) {
+ ret = PTR_ERR(ctx->regs);
+ goto err_del_component;
+ }
res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "vsync");
if (!res) {
dev_err(dev, "irq request failed.\n");
- return -ENXIO;
+ ret = -ENXIO;
+ goto err_del_component;
}
- ctx->irq = res->start;
-
- ret = devm_request_irq(dev, ctx->irq, fimd_irq_handler,
+ ret = devm_request_irq(dev, res->start, fimd_irq_handler,
0, "drm_fimd", ctx);
if (ret) {
dev_err(dev, "irq request failed.\n");
- return ret;
+ goto err_del_component;
}
- ctx->vidcon0 = pdata->vidcon0;
- ctx->vidcon1 = pdata->vidcon1;
- ctx->default_win = pdata->default_win;
- ctx->panel = panel;
- DRM_INIT_WAITQUEUE(&ctx->wait_vsync_queue);
+ ctx->driver_data = drm_fimd_get_driver_data(pdev);
+ init_waitqueue_head(&ctx->wait_vsync_queue);
atomic_set(&ctx->wait_vsync_event, 0);
- subdrv = &ctx->subdrv;
-
- subdrv->dev = dev;
- subdrv->manager = &fimd_manager;
- subdrv->probe = fimd_subdrv_probe;
- subdrv->remove = fimd_subdrv_remove;
-
- mutex_init(&ctx->lock);
+ platform_set_drvdata(pdev, &fimd_manager);
- platform_set_drvdata(pdev, ctx);
+ fimd_manager.ctx = ctx;
- pm_runtime_enable(dev);
- pm_runtime_get_sync(dev);
+ ctx->display = exynos_dpi_probe(dev);
+ if (IS_ERR(ctx->display))
+ return PTR_ERR(ctx->display);
- ctx->clkdiv = fimd_calc_clkdiv(ctx, &panel->timing);
- panel->timing.pixclock = clk_get_rate(ctx->lcd_clk) / ctx->clkdiv;
+ pm_runtime_enable(&pdev->dev);
- DRM_DEBUG_KMS("pixel clock = %d, clkdiv = %d\n",
- panel->timing.pixclock, ctx->clkdiv);
+ ret = component_add(&pdev->dev, &fimd_component_ops);
+ if (ret)
+ goto err_disable_pm_runtime;
- for (win = 0; win < WINDOWS_NR; win++)
- fimd_clear_win(ctx, win);
+ return ret;
- exynos_drm_subdrv_register(subdrv);
+err_disable_pm_runtime:
+ pm_runtime_disable(&pdev->dev);
- return 0;
+err_del_component:
+ exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC);
+ return ret;
}
static int fimd_remove(struct platform_device *pdev)
{
- struct device *dev = &pdev->dev;
- struct fimd_context *ctx = platform_get_drvdata(pdev);
-
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- exynos_drm_subdrv_unregister(&ctx->subdrv);
-
- if (ctx->suspended)
- goto out;
-
- pm_runtime_set_suspended(dev);
- pm_runtime_put_sync(dev);
-
-out:
- pm_runtime_disable(dev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int fimd_suspend(struct device *dev)
-{
- struct fimd_context *ctx = get_fimd_context(dev);
-
- /*
- * do not use pm_runtime_suspend(). if pm_runtime_suspend() is
- * called here, an error would be returned by that interface
- * because the usage_count of pm runtime is more than 1.
- */
- if (!pm_runtime_suspended(dev))
- return fimd_activate(ctx, false);
-
- return 0;
-}
-
-static int fimd_resume(struct device *dev)
-{
- struct fimd_context *ctx = get_fimd_context(dev);
-
- /*
- * if entered to sleep when lcd panel was on, the usage_count
- * of pm runtime would still be 1 so in this case, fimd driver
- * should be on directly not drawing on pm runtime interface.
- */
- if (!pm_runtime_suspended(dev)) {
- int ret;
-
- ret = fimd_activate(ctx, true);
- if (ret < 0)
- return ret;
+ pm_runtime_disable(&pdev->dev);
- /*
- * in case of dpms on(standby), fimd_apply function will
- * be called by encoder's dpms callback to update fimd's
- * registers but in case of sleep wakeup, it's not.
- * so fimd_apply function should be called at here.
- */
- fimd_apply(dev);
- }
+ component_del(&pdev->dev, &fimd_component_ops);
+ exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC);
return 0;
}
-#endif
-
-#ifdef CONFIG_PM_RUNTIME
-static int fimd_runtime_suspend(struct device *dev)
-{
- struct fimd_context *ctx = get_fimd_context(dev);
-
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- return fimd_activate(ctx, false);
-}
-
-static int fimd_runtime_resume(struct device *dev)
-{
- struct fimd_context *ctx = get_fimd_context(dev);
-
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- return fimd_activate(ctx, true);
-}
-#endif
-
-static struct platform_device_id fimd_driver_ids[] = {
- {
- .name = "exynos4-fb",
- .driver_data = (unsigned long)&exynos4_fimd_driver_data,
- }, {
- .name = "exynos5-fb",
- .driver_data = (unsigned long)&exynos5_fimd_driver_data,
- },
- {},
-};
-MODULE_DEVICE_TABLE(platform, fimd_driver_ids);
-
-static const struct dev_pm_ops fimd_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(fimd_suspend, fimd_resume)
- SET_RUNTIME_PM_OPS(fimd_runtime_suspend, fimd_runtime_resume, NULL)
-};
struct platform_driver fimd_driver = {
.probe = fimd_probe,
.remove = fimd_remove,
- .id_table = fimd_driver_ids,
.driver = {
.name = "exynos4-fb",
.owner = THIS_MODULE,
- .pm = &fimd_pm_ops,
- .of_match_table = of_match_ptr(fimd_driver_dt_match),
+ .of_match_table = fimd_driver_dt_match,
},
};