[PATCH v4 10/14] drm: amdgpu: Replace drm_fb_get_bpp_depth() with drm_format_plane_cpp()

Laurent Pinchart laurent.pinchart at ideasonboard.com
Thu Sep 8 14:44:24 UTC 2016


The driver needs the number of bytes per pixel, not the bpp and depth
info meant for fbdev compatibility. Use the right API.

Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
Changes since v3:

- Renamed bpp to cpp
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c  | 14 +++++++-------
 drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c |  3 ++-
 2 files changed, 9 insertions(+), 8 deletions(-)

Cc: Alex Deucher <alexander.deucher at amd.com>
Cc: Christian König <christian.koenig at amd.com>
Cc: Michel Dänzer <michel at daenzer.net>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index bf033b58056c..0727946db189 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -62,12 +62,12 @@ static struct fb_ops amdgpufb_ops = {
 };
 
 
-int amdgpu_align_pitch(struct amdgpu_device *adev, int width, int bpp, bool tiled)
+int amdgpu_align_pitch(struct amdgpu_device *adev, int width, int cpp, bool tiled)
 {
 	int aligned = width;
 	int pitch_mask = 0;
 
-	switch (bpp / 8) {
+	switch (cpp) {
 	case 1:
 		pitch_mask = 255;
 		break;
@@ -82,7 +82,7 @@ int amdgpu_align_pitch(struct amdgpu_device *adev, int width, int bpp, bool tile
 
 	aligned += pitch_mask;
 	aligned &= ~pitch_mask;
-	return aligned;
+	return aligned * cpp;
 }
 
 static void amdgpufb_destroy_pinned_object(struct drm_gem_object *gobj)
@@ -111,13 +111,13 @@ static int amdgpufb_create_pinned_object(struct amdgpu_fbdev *rfbdev,
 	int ret;
 	int aligned_size, size;
 	int height = mode_cmd->height;
-	u32 bpp, depth;
+	u32 cpp;
 
-	drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
+	cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0);
 
 	/* need to align pitch with crtc limits */
-	mode_cmd->pitches[0] = amdgpu_align_pitch(adev, mode_cmd->width, bpp,
-						  fb_tiled) * ((bpp + 1) / 8);
+	mode_cmd->pitches[0] = amdgpu_align_pitch(adev, mode_cmd->width, cpp,
+						  fb_tiled);
 
 	height = ALIGN(mode_cmd->height, 8);
 	size = mode_cmd->pitches[0] * height;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 88fbed2389c0..20a4e569b245 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -704,7 +704,8 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv,
 	uint32_t handle;
 	int r;
 
-	args->pitch = amdgpu_align_pitch(adev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8);
+	args->pitch = amdgpu_align_pitch(adev, args->width,
+					 DIV_ROUND_UP(args->bpp, 8), 0);
 	args->size = (u64)args->pitch * args->height;
 	args->size = ALIGN(args->size, PAGE_SIZE);
 
-- 
Regards,

Laurent Pinchart



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