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drm/msm/sde: add tp10 compressed format support

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Add MOD_QCOM_TIGHT modifier on top of DRM_FORMAT_NV12
base pixel format and update plane size calculation
to support compressed tp10 buffers.

Change-Id: I12eb9fecfd34d488eda92f6217b6ca51e466c6f6
Signed-off-by: Alexander Beykun <abeykun@codeaurora.org>
This commit is contained in:
abeykun 2016-08-26 11:31:44 -04:00 • committed by Gerrit - the friendly Code Review server
parent be55dab201
commit bedc84f4f8
2 changed files with 23 additions and 0 deletions
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15
drivers/gpu/drm/msm/sde/sde_formats.c
View file

@ -467,6 +467,14 @@ static const struct sde_format sde_format_map_p010_ubwc[] = {
SDE_FETCH_UBWC, 4),
};
static const struct sde_format sde_format_map_tp10_ubwc[] = {
PSEUDO_YUV_FMT(NV12,
0, COLOR_8BIT, COLOR_8BIT, COLOR_8BIT,
C1_B_Cb, C2_R_Cr,
SDE_CHROMA_420, (SDE_FORMAT_FLAG_YUV | SDE_FORMAT_FLAG_DX),
SDE_FETCH_UBWC, 4),
};
/* _sde_get_v_h_subsample_rate - Get subsample rates for all formats we support
* Note: Not using the drm_format_*_subsampling since we have formats
*/
@ -987,6 +995,13 @@ const struct sde_format *sde_get_sde_format_ext(
map_size = ARRAY_SIZE(sde_format_map_p010_ubwc);
DBG("found fmt 0x%X DRM_FORMAT_MOD_QCOM_COMPRESSED/DX", format);
break;
case (DRM_FORMAT_MOD_QCOM_DX | DRM_FORMAT_MOD_QCOM_COMPRESSED |
DRM_FORMAT_MOD_QCOM_TIGHT):
map = sde_format_map_tp10_ubwc;
map_size = ARRAY_SIZE(sde_format_map_tp10_ubwc);
DBG("found fmt 0x%X DRM_FORMAT_MOD_QCOM_COMPRESSED/DX/TIGHT",
format);
break;
default:
DRM_ERROR("unsupported format modifier %llX\n", mod0);
return NULL;

8
include/uapi/drm/drm_fourcc.h
View file

@ -249,6 +249,14 @@ extern "C" {
*/
#define DRM_FORMAT_MOD_QCOM_DX fourcc_mod_code(QCOM, 0x2)
/*
* QTI Tight Format
*
* Refers to a tightly packed variant of the base format.
* Implementation may be platform and base-format specific.
*/
#define DRM_FORMAT_MOD_QCOM_TIGHT fourcc_mod_code(QCOM, 0x4)
#if defined(__cplusplus)
}
#endif