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path: root/drivers/gpu/drm/exynos/exynos_drm_plane.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_plane.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_plane.c106
1 files changed, 64 insertions, 42 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index b89829e5043..8371cbd7631 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -9,13 +9,14 @@
*
*/
-#include "drmP.h"
+#include <drm/drmP.h>
-#include "exynos_drm.h"
+#include <drm/exynos_drm.h>
#include "exynos_drm_drv.h"
-#include "exynos_drm_encoder.h"
+#include "exynos_drm_crtc.h"
#include "exynos_drm_fb.h"
#include "exynos_drm_gem.h"
+#include "exynos_drm_plane.h"
#define to_exynos_plane(x) container_of(x, struct exynos_plane, base)
@@ -29,10 +30,45 @@ static const uint32_t formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_NV12,
- DRM_FORMAT_NV12M,
DRM_FORMAT_NV12MT,
};
+/*
+ * This function is to get X or Y size shown via screen. This needs length and
+ * start position of CRTC.
+ *
+ * <--- length --->
+ * CRTC ----------------
+ * ^ start ^ end
+ *
+ * There are six cases from a to f.
+ *
+ * <----- SCREEN ----->
+ * 0 last
+ * ----------|------------------|----------
+ * CRTCs
+ * a -------
+ * b -------
+ * c --------------------------
+ * d --------
+ * e -------
+ * f -------
+ */
+static int exynos_plane_get_size(int start, unsigned length, unsigned last)
+{
+ int end = start + length;
+ int size = 0;
+
+ if (start <= 0) {
+ if (end > 0)
+ size = min_t(unsigned, end, last);
+ } else if (start <= last) {
+ size = min_t(unsigned, last - start, length);
+ }
+
+ return size;
+}
+
int exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,
struct drm_framebuffer *fb, int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
@@ -46,27 +82,35 @@ int exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,
int nr;
int i;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
- nr = exynos_drm_format_num_buffers(fb->pixel_format);
+ nr = exynos_drm_fb_get_buf_cnt(fb);
for (i = 0; i < nr; i++) {
struct exynos_drm_gem_buf *buffer = exynos_drm_fb_buffer(fb, i);
if (!buffer) {
- DRM_LOG_KMS("buffer is null\n");
+ DRM_DEBUG_KMS("buffer is null\n");
return -EFAULT;
}
overlay->dma_addr[i] = buffer->dma_addr;
- overlay->vaddr[i] = buffer->kvaddr;
- DRM_DEBUG_KMS("buffer: %d, vaddr = 0x%lx, dma_addr = 0x%lx\n",
- i, (unsigned long)overlay->vaddr[i],
- (unsigned long)overlay->dma_addr[i]);
+ DRM_DEBUG_KMS("buffer: %d, dma_addr = 0x%lx\n",
+ i, (unsigned long)overlay->dma_addr[i]);
}
- actual_w = min((unsigned)(crtc->mode.hdisplay - crtc_x), crtc_w);
- actual_h = min((unsigned)(crtc->mode.vdisplay - crtc_y), crtc_h);
+ actual_w = exynos_plane_get_size(crtc_x, crtc_w, crtc->mode.hdisplay);
+ actual_h = exynos_plane_get_size(crtc_y, crtc_h, crtc->mode.vdisplay);
+
+ if (crtc_x < 0) {
+ if (actual_w)
+ src_x -= crtc_x;
+ crtc_x = 0;
+ }
+
+ if (crtc_y < 0) {
+ if (actual_h)
+ src_y -= crtc_y;
+ crtc_y = 0;
+ }
/* set drm framebuffer data. */
overlay->fb_x = src_x;
@@ -95,7 +139,7 @@ int exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,
overlay->crtc_x, overlay->crtc_y,
overlay->crtc_width, overlay->crtc_height);
- exynos_drm_fn_encoder(crtc, overlay, exynos_drm_encoder_plane_mode_set);
+ exynos_drm_crtc_plane_mode_set(crtc, overlay);
return 0;
}
@@ -105,8 +149,7 @@ void exynos_plane_commit(struct drm_plane *plane)
struct exynos_plane *exynos_plane = to_exynos_plane(plane);
struct exynos_drm_overlay *overlay = &exynos_plane->overlay;
- exynos_drm_fn_encoder(plane->crtc, &overlay->zpos,
- exynos_drm_encoder_plane_commit);
+ exynos_drm_crtc_plane_commit(plane->crtc, overlay->zpos);
}
void exynos_plane_dpms(struct drm_plane *plane, int mode)
@@ -114,23 +157,17 @@ void exynos_plane_dpms(struct drm_plane *plane, int mode)
struct exynos_plane *exynos_plane = to_exynos_plane(plane);
struct exynos_drm_overlay *overlay = &exynos_plane->overlay;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
if (mode == DRM_MODE_DPMS_ON) {
if (exynos_plane->enabled)
return;
- exynos_drm_fn_encoder(plane->crtc, &overlay->zpos,
- exynos_drm_encoder_plane_enable);
-
+ exynos_drm_crtc_plane_enable(plane->crtc, overlay->zpos);
exynos_plane->enabled = true;
} else {
if (!exynos_plane->enabled)
return;
- exynos_drm_fn_encoder(plane->crtc, &overlay->zpos,
- exynos_drm_encoder_plane_disable);
-
+ exynos_drm_crtc_plane_disable(plane->crtc, overlay->zpos);
exynos_plane->enabled = false;
}
}
@@ -144,8 +181,6 @@ exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
{
int ret;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
ret = exynos_plane_mode_set(plane, crtc, fb, crtc_x, crtc_y,
crtc_w, crtc_h, src_x >> 16, src_y >> 16,
src_w >> 16, src_h >> 16);
@@ -153,7 +188,6 @@ exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
return ret;
plane->crtc = crtc;
- plane->fb = crtc->fb;
exynos_plane_commit(plane);
exynos_plane_dpms(plane, DRM_MODE_DPMS_ON);
@@ -163,8 +197,6 @@ exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
static int exynos_disable_plane(struct drm_plane *plane)
{
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
exynos_plane_dpms(plane, DRM_MODE_DPMS_OFF);
return 0;
@@ -174,8 +206,6 @@ static void exynos_plane_destroy(struct drm_plane *plane)
{
struct exynos_plane *exynos_plane = to_exynos_plane(plane);
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
exynos_disable_plane(plane);
drm_plane_cleanup(plane);
kfree(exynos_plane);
@@ -189,8 +219,6 @@ static int exynos_plane_set_property(struct drm_plane *plane,
struct exynos_plane *exynos_plane = to_exynos_plane(plane);
struct exynos_drm_private *dev_priv = dev->dev_private;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
if (property == dev_priv->plane_zpos_property) {
exynos_plane->overlay.zpos = val;
return 0;
@@ -212,8 +240,6 @@ static void exynos_plane_attach_zpos_property(struct drm_plane *plane)
struct exynos_drm_private *dev_priv = dev->dev_private;
struct drm_property *prop;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
prop = dev_priv->plane_zpos_property;
if (!prop) {
prop = drm_property_create_range(dev, 0, "zpos", 0,
@@ -228,18 +254,14 @@ static void exynos_plane_attach_zpos_property(struct drm_plane *plane)
}
struct drm_plane *exynos_plane_init(struct drm_device *dev,
- unsigned int possible_crtcs, bool priv)
+ unsigned long possible_crtcs, bool priv)
{
struct exynos_plane *exynos_plane;
int err;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
exynos_plane = kzalloc(sizeof(struct exynos_plane), GFP_KERNEL);
- if (!exynos_plane) {
- DRM_ERROR("failed to allocate plane\n");
+ if (!exynos_plane)
return NULL;
- }
err = drm_plane_init(dev, &exynos_plane->base, possible_crtcs,
&exynos_plane_funcs, formats, ARRAY_SIZE(formats),
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-13 06:29:10 +0000