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path: root/drivers/gpu/drm/gma500/cdv_intel_crt.c
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Diffstat (limited to 'drivers/gpu/drm/gma500/cdv_intel_crt.c')
-rw-r--r--drivers/gpu/drm/gma500/cdv_intel_crt.c98
1 files changed, 38 insertions, 60 deletions
diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c b/drivers/gpu/drm/gma500/cdv_intel_crt.c
index c100f3e9c92..c18268cd516 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_crt.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c
@@ -32,6 +32,7 @@
#include "psb_intel_drv.h"
#include "psb_intel_reg.h"
#include "power.h"
+#include "cdv_device.h"
#include <linux/pm_runtime.h>
@@ -66,8 +67,6 @@ static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode)
static int cdv_intel_crt_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
- struct drm_psb_private *dev_priv = connector->dev->dev_private;
- int max_clock = 0;
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
return MODE_NO_DBLESCAN;
@@ -76,28 +75,12 @@ static int cdv_intel_crt_mode_valid(struct drm_connector *connector,
return MODE_CLOCK_LOW;
/* The max clock for CDV is 355 instead of 400 */
- max_clock = 355000;
- if (mode->clock > max_clock)
+ if (mode->clock > 355000)
return MODE_CLOCK_HIGH;
- if (mode->hdisplay > 1680 || mode->vdisplay > 1050)
- return MODE_PANEL;
-
- /* We assume worst case scenario of 32 bpp here, since we don't know */
- if ((ALIGN(mode->hdisplay * 4, 64) * mode->vdisplay) >
- dev_priv->vram_stolen_size)
- return MODE_MEM;
-
return MODE_OK;
}
-static bool cdv_intel_crt_mode_fixup(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- return true;
-}
-
static void cdv_intel_crt_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
@@ -105,13 +88,12 @@ static void cdv_intel_crt_mode_set(struct drm_encoder *encoder,
struct drm_device *dev = encoder->dev;
struct drm_crtc *crtc = encoder->crtc;
- struct psb_intel_crtc *psb_intel_crtc =
- to_psb_intel_crtc(crtc);
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
int dpll_md_reg;
u32 adpa, dpll_md;
u32 adpa_reg;
- if (psb_intel_crtc->pipe == 0)
+ if (gma_crtc->pipe == 0)
dpll_md_reg = DPLL_A_MD;
else
dpll_md_reg = DPLL_B_MD;
@@ -134,7 +116,7 @@ static void cdv_intel_crt_mode_set(struct drm_encoder *encoder,
if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
adpa |= ADPA_VSYNC_ACTIVE_HIGH;
- if (psb_intel_crtc->pipe == 0)
+ if (gma_crtc->pipe == 0)
adpa |= ADPA_PIPE_A_SELECT;
else
adpa |= ADPA_PIPE_B_SELECT;
@@ -155,13 +137,7 @@ static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector,
struct drm_device *dev = connector->dev;
u32 hotplug_en;
int i, tries = 0, ret = false;
- u32 adpa_orig;
-
- /* disable the DAC when doing the hotplug detection */
-
- adpa_orig = REG_READ(ADPA);
-
- REG_WRITE(ADPA, adpa_orig & ~(ADPA_DAC_ENABLE));
+ u32 orig;
/*
* On a CDV thep, CRT detect sequence need to be done twice
@@ -169,7 +145,7 @@ static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector,
*/
tries = 2;
- hotplug_en = REG_READ(PORT_HOTPLUG_EN);
+ orig = hotplug_en = REG_READ(PORT_HOTPLUG_EN);
hotplug_en &= ~(CRT_HOTPLUG_DETECT_MASK);
hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
@@ -194,8 +170,11 @@ static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector,
CRT_HOTPLUG_MONITOR_NONE)
ret = true;
- /* Restore the saved ADPA */
- REG_WRITE(ADPA, adpa_orig);
+ /* clear the interrupt we just generated, if any */
+ REG_WRITE(PORT_HOTPLUG_STAT, CRT_HOTPLUG_INT_STATUS);
+
+ /* and put the bits back */
+ REG_WRITE(PORT_HOTPLUG_EN, orig);
return ret;
}
@@ -210,10 +189,9 @@ static enum drm_connector_status cdv_intel_crt_detect(
static void cdv_intel_crt_destroy(struct drm_connector *connector)
{
- struct psb_intel_encoder *psb_intel_encoder =
- psb_intel_attached_encoder(connector);
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
- psb_intel_i2c_destroy(psb_intel_encoder->ddc_bus);
+ psb_intel_i2c_destroy(gma_encoder->ddc_bus);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(connector);
@@ -221,9 +199,9 @@ static void cdv_intel_crt_destroy(struct drm_connector *connector)
static int cdv_intel_crt_get_modes(struct drm_connector *connector)
{
- struct psb_intel_encoder *psb_intel_encoder =
- psb_intel_attached_encoder(connector);
- return psb_intel_ddc_get_modes(connector, &psb_intel_encoder->ddc_bus->adapter);
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ return psb_intel_ddc_get_modes(connector,
+ &gma_encoder->ddc_bus->adapter);
}
static int cdv_intel_crt_set_property(struct drm_connector *connector,
@@ -239,9 +217,9 @@ static int cdv_intel_crt_set_property(struct drm_connector *connector,
static const struct drm_encoder_helper_funcs cdv_intel_crt_helper_funcs = {
.dpms = cdv_intel_crt_dpms,
- .mode_fixup = cdv_intel_crt_mode_fixup,
- .prepare = psb_intel_encoder_prepare,
- .commit = psb_intel_encoder_commit,
+ .mode_fixup = gma_encoder_mode_fixup,
+ .prepare = gma_encoder_prepare,
+ .commit = gma_encoder_commit,
.mode_set = cdv_intel_crt_mode_set,
};
@@ -257,7 +235,7 @@ static const struct drm_connector_helper_funcs
cdv_intel_crt_connector_helper_funcs = {
.mode_valid = cdv_intel_crt_mode_valid,
.get_modes = cdv_intel_crt_get_modes,
- .best_encoder = psb_intel_best_encoder,
+ .best_encoder = gma_best_encoder,
};
static void cdv_intel_crt_enc_destroy(struct drm_encoder *encoder)
@@ -273,31 +251,31 @@ void cdv_intel_crt_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev)
{
- struct psb_intel_connector *psb_intel_connector;
- struct psb_intel_encoder *psb_intel_encoder;
+ struct gma_connector *gma_connector;
+ struct gma_encoder *gma_encoder;
struct drm_connector *connector;
struct drm_encoder *encoder;
u32 i2c_reg;
- psb_intel_encoder = kzalloc(sizeof(struct psb_intel_encoder), GFP_KERNEL);
- if (!psb_intel_encoder)
+ gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
+ if (!gma_encoder)
return;
- psb_intel_connector = kzalloc(sizeof(struct psb_intel_connector), GFP_KERNEL);
- if (!psb_intel_connector)
+ gma_connector = kzalloc(sizeof(struct gma_connector), GFP_KERNEL);
+ if (!gma_connector)
goto failed_connector;
- connector = &psb_intel_connector->base;
+ connector = &gma_connector->base;
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
drm_connector_init(dev, connector,
&cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
- encoder = &psb_intel_encoder->base;
+ encoder = &gma_encoder->base;
drm_encoder_init(dev, encoder,
&cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC);
- psb_intel_connector_attach_encoder(psb_intel_connector,
- psb_intel_encoder);
+ gma_connector_attach_encoder(gma_connector, gma_encoder);
/* Set up the DDC bus. */
i2c_reg = GPIOA;
@@ -306,15 +284,15 @@ void cdv_intel_crt_init(struct drm_device *dev,
if (dev_priv->crt_ddc_bus != 0)
i2c_reg = dev_priv->crt_ddc_bus;
}*/
- psb_intel_encoder->ddc_bus = psb_intel_i2c_create(dev,
+ gma_encoder->ddc_bus = psb_intel_i2c_create(dev,
i2c_reg, "CRTDDC_A");
- if (!psb_intel_encoder->ddc_bus) {
+ if (!gma_encoder->ddc_bus) {
dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
"failed.\n");
goto failed_ddc;
}
- psb_intel_encoder->type = INTEL_OUTPUT_ANALOG;
+ gma_encoder->type = INTEL_OUTPUT_ANALOG;
/*
psb_intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT);
psb_intel_output->crtc_mask = (1 << 0) | (1 << 1);
@@ -330,10 +308,10 @@ void cdv_intel_crt_init(struct drm_device *dev,
return;
failed_ddc:
- drm_encoder_cleanup(&psb_intel_encoder->base);
- drm_connector_cleanup(&psb_intel_connector->base);
- kfree(psb_intel_connector);
+ drm_encoder_cleanup(&gma_encoder->base);
+ drm_connector_cleanup(&gma_connector->base);
+ kfree(gma_connector);
failed_connector:
- kfree(psb_intel_encoder);
+ kfree(gma_encoder);
return;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 17:10:50 +0000