Support "Pre-multiplied" and "None" blend mode on MediaTek's chips by adding correct blend mode property when the planes init. Before this patch, only the "Coverage" mode (default) is supported. Signed-off-by: Hsiao Chien Sung <shawn.sung@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> --- Changes in v4: - Add more information to the commit message - Link to v3: https://lore.kernel.org/r/20240710-alpha-blending-v3-0-289c187f9c6f@xxxxxxxxxxxx Changes in v3: - Remove the Change-Id - Link to v2: https://lore.kernel.org/r/20240710-alpha-blending-v2-0-d4b505e6980a@xxxxxxxxxxxx Changes in v2: - Remove unnecessary codes - Add more information to the commit message - Link to v1: https://lore.kernel.org/r/20240620-blend-v1-0-72670072ca20@xxxxxxxxxxxx --- Hsiao Chien Sung (5): drm/mediatek: Support "None" blending in OVL drm/mediatek: Support "None" blending in Mixer drm/mediatek: Support "Pre-multiplied" blending in OVL drm/mediatek: Support "Pre-multiplied" blending in Mixer drm/mediatek: Support alpha blending in display driver drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 36 +++++++++++++++++++++++++-------- drivers/gpu/drm/mediatek/mtk_ethdr.c | 13 +++++++++--- drivers/gpu/drm/mediatek/mtk_plane.c | 11 ++++++++++ 3 files changed, 49 insertions(+), 11 deletions(-) --- base-commit: 8ad49a92cff4bab13eb2f2725243f5f31eff3f3b change-id: 20240710-alpha-blending-067295570863 Best regards, -- Hsiao Chien Sung <shawn.sung@xxxxxxxxxxxx>
