From a9577f1921255b975da2a47d8f6733b2d6c98193 Mon Sep 17 00:00:00 2001 From: "Lowry Li (Arm Technology China)" Date: Tue, 6 Aug 2019 06:31:56 +0000 Subject: drm/komeda: Adds internal bpp computing for arm afbc only format YU08 YU10 The drm_format_info doesn't have any cpp or block_size (both are zero) information for arm only afbc format YU08/YU10. we need to compute it by ourselves. Changes since v1: 1. Removed redundant warning check in komeda_get_afbc_format_bpp(); 2. Removed a redundant empty line; 3. Rebased the branch. Signed-off-by: Lowry Li (Arm Technology China) Reviewed-by: James Qian Wang (Arm Technology China) Signed-off-by: james qian wang (Arm Technology China) Link: https://patchwork.freedesktop.org/patch/msgid/1565073104-24047-1-git-send-email-lowry.li@arm.com Link: https://patchwork.freedesktop.org/patch/msgid/1565073104-24047-1-git-send-email-lowry.li@arm.com --- .../gpu/drm/arm/display/komeda/komeda_format_caps.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c') diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c index cd4d9f53ddef..c9a1edb9a000 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c @@ -35,6 +35,25 @@ komeda_get_format_caps(struct komeda_format_caps_table *table, return NULL; } +u32 komeda_get_afbc_format_bpp(const struct drm_format_info *info, u64 modifier) +{ + u32 bpp; + + switch (info->format) { + case DRM_FORMAT_YUV420_8BIT: + bpp = 12; + break; + case DRM_FORMAT_YUV420_10BIT: + bpp = 15; + break; + default: + bpp = info->cpp[0] * 8; + break; + } + + return bpp; +} + /* Two assumptions * 1. RGB always has YTR * 2. Tiled RGB always has SC -- cgit v1.2.3