drm/exynos: Support multi buffers
These formats(NV12M, NV12MT and YUV420M) have non contiguous multi
planes, so each plane uses different buffer. The exynos drm should
support multi buffer for them.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index e1ce9fd..e3861ac 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -34,7 +34,6 @@
#include "exynos_drm_fb.h"
#include "exynos_drm_encoder.h"
#include "exynos_drm_gem.h"
-#include "exynos_drm_buf.h"
#define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\
drm_crtc)
@@ -80,20 +79,24 @@
struct exynos_drm_gem_buf *buffer;
unsigned int actual_w;
unsigned int actual_h;
+ int nr = exynos_drm_format_num_buffers(fb->pixel_format);
+ int i;
- buffer = exynos_drm_fb_get_buf(fb);
- if (!buffer) {
- DRM_LOG_KMS("buffer is null.\n");
- return -EFAULT;
+ for (i = 0; i < nr; i++) {
+ buffer = exynos_drm_fb_buffer(fb, i);
+ if (!buffer) {
+ DRM_LOG_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]);
}
- overlay->dma_addr = buffer->dma_addr;
- overlay->vaddr = buffer->kvaddr;
-
- DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n",
- (unsigned long)overlay->vaddr,
- (unsigned long)overlay->dma_addr);
-
actual_w = min((mode->hdisplay - pos->crtc_x), pos->crtc_w);
actual_h = min((mode->vdisplay - pos->crtc_y), pos->crtc_h);
@@ -104,6 +107,7 @@
overlay->fb_height = fb->height;
overlay->bpp = fb->bits_per_pixel;
overlay->pitch = fb->pitches[0];
+ overlay->pixel_format = fb->pixel_format;
/* set overlay range to be displayed. */
overlay->crtc_x = pos->crtc_x;