[PATCH v2] drm/mediatek/dp: fix mtk_dp_aux_transfer return value

: f70ac097a2cf ("drm/mediatek: Add MT8195 Embedded DisplayPort driver") Signed-off-by: Wojciech Macek --- Changelog v2-v1: - added "Fixes" tag - corrected e-mail address V1: https://patchwork.kernel.org/project/linux-mediatek/patch/20240402071113.3135903-1-wma...@chromium.o

[PATCH] drm/mediatek: Add RENDER capability to DRM device

DRM device shall create /dev/dri/renderXXX entry to allow ChromeOS VMs to access the OpenGL rendering offload. Signed-off-by: Wojciech Macek --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b

[PATCH] drm/mediatek/dp: fix mtk_dp_aux_transfer return value

From: Wojciech Macek In case there is no DP device attached to the port the transfer function should return IO error, similar to what other drivers do. In case EAGAIN is returned then any read from /dev/drm_dp_aux device ends up in an infinite loop as the upper layers constantly repeats