6.6-stable review patch. If anyone has any objections, please let me know.
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From: "Jason-JH.Lin" jason-jh.lin@mediatek.com
[ Upstream commit 26c35d1d1646e593e3a82748b19d33b164871ae8 ]
Add mtk_drm_crtc_path enum for each display path.
Instead of using array index of all_drm_priv in mtk_drm_kms_init(), mtk_drm_crtc_path enum can make code more readable.
Signed-off-by: Jason-JH.Lin jason-jh.lin@mediatek.com Reviewed-by: Fei Shao fshao@chromium.org Reviewed-by: CK Hu ck.hu@mediatek.com Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com Tested-by: Fei Shao fshao@chromium.org Link: https://patchwork.kernel.org/project/dri-devel/patch/20231004024013.18956-3-... Signed-off-by: Chun-Kuang Hu chunkuang.hu@kernel.org Stable-dep-of: 1f403699c40f ("drm/mediatek: Fix device/node reference count leaks in mtk_drm_get_all_drm_priv") Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 6 +++--- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 8 +++++++- 2 files changed, 10 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -475,21 +475,21 @@ static int mtk_drm_kms_init(struct drm_d for (j = 0; j < private->data->mmsys_dev_num; j++) { priv_n = private->all_drm_private[j];
- if (i == 0 && priv_n->data->main_len) { + if (i == CRTC_MAIN && priv_n->data->main_len) { ret = mtk_drm_crtc_create(drm, priv_n->data->main_path, priv_n->data->main_len, j); if (ret) goto err_component_unbind;
continue; - } else if (i == 1 && priv_n->data->ext_len) { + } else if (i == CRTC_EXT && priv_n->data->ext_len) { ret = mtk_drm_crtc_create(drm, priv_n->data->ext_path, priv_n->data->ext_len, j); if (ret) goto err_component_unbind;
continue; - } else if (i == 2 && priv_n->data->third_len) { + } else if (i == CRTC_THIRD && priv_n->data->third_len) { ret = mtk_drm_crtc_create(drm, priv_n->data->third_path, priv_n->data->third_len, j); if (ret) --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -9,11 +9,17 @@ #include <linux/io.h> #include "mtk_drm_ddp_comp.h"
-#define MAX_CRTC 3 #define MAX_CONNECTOR 2 #define DDP_COMPONENT_DRM_OVL_ADAPTOR (DDP_COMPONENT_ID_MAX + 1) #define DDP_COMPONENT_DRM_ID_MAX (DDP_COMPONENT_DRM_OVL_ADAPTOR + 1)
+enum mtk_drm_crtc_path { + CRTC_MAIN, + CRTC_EXT, + CRTC_THIRD, + MAX_CRTC, +}; + struct device; struct device_node; struct drm_crtc;