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Commit bedc84f4 authored by abeykun's avatar abeykun Committed by Gerrit - the friendly Code Review server
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drm/msm/sde: add tp10 compressed format support 



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: default avatarAlexander Beykun <abeykun@codeaurora.org>
parent be55dab2

drivers/gpu/drm/msm/sde/sde_formats.c

+15 −0
Original line number Diff line number Diff line
@@ -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;

include/uapi/drm/drm_fourcc.h

+8 −0
Original line number Diff line number Diff line
@@ -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