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drm/vc4: Use the alpha format field in drm_format_info 

Now that the drm_format_info has a alpha field to tell if a format embeds
an alpha component in it, let's use it.

Cc: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/38d4d0a085634a0b8308e819c846b9173d4d93df.1516617243.git-series.maxime.ripard@free-electrons.com
hifive-unleashed-5.1
Maxime Ripard 2017-12-22 15:31:27 +01:00
parent 1f072d6a4c
commit 124e5dac9a
No known key found for this signature in database
GPG Key ID: D2B4C094214DAF74
1 changed files with 11 additions and 12 deletions
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23
drivers/gpu/drm/vc4/vc4_plane.c
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@ -85,47 +85,46 @@ static const struct hvs_format {
u32 drm; /* DRM_FORMAT_* */
u32 hvs; /* HVS_FORMAT_* */
u32 pixel_order;
bool has_alpha;
} hvs_formats[] = {
{
.drm = DRM_FORMAT_XRGB8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888,
.pixel_order = HVS_PIXEL_ORDER_ABGR, .has_alpha = false,
.pixel_order = HVS_PIXEL_ORDER_ABGR,
},
{
.drm = DRM_FORMAT_ARGB8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888,
.pixel_order = HVS_PIXEL_ORDER_ABGR, .has_alpha = true,
.pixel_order = HVS_PIXEL_ORDER_ABGR,
},
{
.drm = DRM_FORMAT_ABGR8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888,
.pixel_order = HVS_PIXEL_ORDER_ARGB, .has_alpha = true,
.pixel_order = HVS_PIXEL_ORDER_ARGB,
},
{
.drm = DRM_FORMAT_XBGR8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888,
.pixel_order = HVS_PIXEL_ORDER_ARGB, .has_alpha = false,
.pixel_order = HVS_PIXEL_ORDER_ARGB,
},
{
.drm = DRM_FORMAT_RGB565, .hvs = HVS_PIXEL_FORMAT_RGB565,
.pixel_order = HVS_PIXEL_ORDER_XRGB, .has_alpha = false,
.pixel_order = HVS_PIXEL_ORDER_XRGB,
},
{
.drm = DRM_FORMAT_BGR565, .hvs = HVS_PIXEL_FORMAT_RGB565,
.pixel_order = HVS_PIXEL_ORDER_XBGR, .has_alpha = false,
.pixel_order = HVS_PIXEL_ORDER_XBGR,
},
{
.drm = DRM_FORMAT_ARGB1555, .hvs = HVS_PIXEL_FORMAT_RGBA5551,
.pixel_order = HVS_PIXEL_ORDER_ABGR, .has_alpha = true,
.pixel_order = HVS_PIXEL_ORDER_ABGR,
},
{
.drm = DRM_FORMAT_XRGB1555, .hvs = HVS_PIXEL_FORMAT_RGBA5551,
.pixel_order = HVS_PIXEL_ORDER_ABGR, .has_alpha = false,
.pixel_order = HVS_PIXEL_ORDER_ABGR,
},
{
.drm = DRM_FORMAT_RGB888, .hvs = HVS_PIXEL_FORMAT_RGB888,
.pixel_order = HVS_PIXEL_ORDER_XRGB, .has_alpha = false,
.pixel_order = HVS_PIXEL_ORDER_XRGB,
},
{
.drm = DRM_FORMAT_BGR888, .hvs = HVS_PIXEL_FORMAT_RGB888,
.pixel_order = HVS_PIXEL_ORDER_XBGR, .has_alpha = false,
.pixel_order = HVS_PIXEL_ORDER_XBGR,
},
{
.drm = DRM_FORMAT_YUV422,
@ -622,7 +621,7 @@ static int vc4_plane_mode_set(struct drm_plane *plane,
/* Position Word 2: Source Image Size, Alpha Mode */
vc4_state->pos2_offset = vc4_state->dlist_count;
vc4_dlist_write(vc4_state,
VC4_SET_FIELD(format->has_alpha ?
VC4_SET_FIELD(fb->format->has_alpha ?
SCALER_POS2_ALPHA_MODE_PIPELINE :
SCALER_POS2_ALPHA_MODE_FIXED,
SCALER_POS2_ALPHA_MODE) |