[PATCH 1/3] drm/mediatek: Refactor pixel format logic
Matthias Brugger
matthias.bgg at gmail.com
Thu Feb 2 10:11:25 UTC 2023
On 01/02/2023 18:02, Justin Green wrote:
> Add an DDP component interface for querying pixel format support and move list
> of supported pixel formats into DDP components instead of mtk_drm_plane.c
>
> Tested by running Chrome on an MT8195.
>
> Signed-off-by: Justin Green <greenjustin at chromium.org>
> ---
> drivers/gpu/drm/mediatek/mtk_disp_drv.h | 4 ++
> drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 44 +++++++++++++++++++++
> drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 38 ++++++++++++++++++
> drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 4 +-
> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 4 ++
> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 20 ++++++++++
> drivers/gpu/drm/mediatek/mtk_drm_plane.c | 24 ++++-------
> drivers/gpu/drm/mediatek/mtk_drm_plane.h | 3 +-
> 8 files changed, 123 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> index 33e61a136bbc..0df6a06defb8 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> @@ -96,6 +96,8 @@ void mtk_ovl_register_vblank_cb(struct device *dev,
> void mtk_ovl_unregister_vblank_cb(struct device *dev);
> void mtk_ovl_enable_vblank(struct device *dev);
> void mtk_ovl_disable_vblank(struct device *dev);
> +const u32 *mtk_ovl_get_formats(struct device *dev);
> +size_t mtk_ovl_get_num_formats(struct device *dev);
>
> void mtk_rdma_bypass_shadow(struct device *dev);
> int mtk_rdma_clk_enable(struct device *dev);
> @@ -115,6 +117,8 @@ void mtk_rdma_register_vblank_cb(struct device *dev,
> void mtk_rdma_unregister_vblank_cb(struct device *dev);
> void mtk_rdma_enable_vblank(struct device *dev);
> void mtk_rdma_disable_vblank(struct device *dev);
> +const u32 *mtk_rdma_get_formats(struct device *dev);
> +size_t mtk_rdma_get_num_formats(struct device *dev);
>
> int mtk_mdp_rdma_clk_enable(struct device *dev);
> void mtk_mdp_rdma_clk_disable(struct device *dev);
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index 84daeaffab6a..8743c8047dc9 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -66,6 +66,20 @@
> #define OVL_CON_VIRT_FLIP BIT(9)
> #define OVL_CON_HORZ_FLIP BIT(10)
>
> +static const u32 mt8173_formats[] = {
> + DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_ARGB8888,
> + DRM_FORMAT_BGRX8888,
> + DRM_FORMAT_BGRA8888,
> + DRM_FORMAT_ABGR8888,
> + DRM_FORMAT_XBGR8888,
> + DRM_FORMAT_RGB888,
> + DRM_FORMAT_BGR888,
> + DRM_FORMAT_RGB565,
> + DRM_FORMAT_UYVY,
> + DRM_FORMAT_YUYV,
> +};
> +
> struct mtk_disp_ovl_data {
> unsigned int addr;
> unsigned int gmc_bits;
> @@ -73,6 +87,8 @@ struct mtk_disp_ovl_data {
> bool fmt_rgb565_is_0;
> bool smi_id_en;
> bool supports_afbc;
> + const u32 *formats;
> + size_t num_formats;
> };
>
> /*
> @@ -138,6 +154,20 @@ void mtk_ovl_disable_vblank(struct device *dev)
> writel_relaxed(0x0, ovl->regs + DISP_REG_OVL_INTEN);
> }
>
> +const u32 *mtk_ovl_get_formats(struct device *dev)
> +{
> + struct mtk_disp_ovl *ovl = dev_get_drvdata(dev);
> +
> + return ovl->data->formats;
> +}
> +
> +size_t mtk_ovl_get_num_formats(struct device *dev)
> +{
> + struct mtk_disp_ovl *ovl = dev_get_drvdata(dev);
> +
> + return ovl->data->num_formats;
> +}
> +
> int mtk_ovl_clk_enable(struct device *dev)
> {
> struct mtk_disp_ovl *ovl = dev_get_drvdata(dev);
> @@ -495,6 +525,8 @@ static const struct mtk_disp_ovl_data mt2701_ovl_driver_data = {
> .gmc_bits = 8,
> .layer_nr = 4,
> .fmt_rgb565_is_0 = false,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
> };
>
> static const struct mtk_disp_ovl_data mt8173_ovl_driver_data = {
> @@ -502,6 +534,8 @@ static const struct mtk_disp_ovl_data mt8173_ovl_driver_data = {
> .gmc_bits = 8,
> .layer_nr = 4,
> .fmt_rgb565_is_0 = true,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
mt8173_formats are the same as the old struct formats. Maybe we should use that
and only overwrite where we actually use a different array.
Regarding num_formats, see my comment below.
> };
>
> static const struct mtk_disp_ovl_data mt8183_ovl_driver_data = {
> @@ -509,6 +543,8 @@ static const struct mtk_disp_ovl_data mt8183_ovl_driver_data = {
> .gmc_bits = 10,
> .layer_nr = 4,
> .fmt_rgb565_is_0 = true,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
> };
>
> static const struct mtk_disp_ovl_data mt8183_ovl_2l_driver_data = {
> @@ -516,6 +552,8 @@ static const struct mtk_disp_ovl_data mt8183_ovl_2l_driver_data = {
> .gmc_bits = 10,
> .layer_nr = 2,
> .fmt_rgb565_is_0 = true,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
> };
>
> static const struct mtk_disp_ovl_data mt8192_ovl_driver_data = {
> @@ -524,6 +562,8 @@ static const struct mtk_disp_ovl_data mt8192_ovl_driver_data = {
> .layer_nr = 4,
> .fmt_rgb565_is_0 = true,
> .smi_id_en = true,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
> };
>
> static const struct mtk_disp_ovl_data mt8192_ovl_2l_driver_data = {
> @@ -532,6 +572,8 @@ static const struct mtk_disp_ovl_data mt8192_ovl_2l_driver_data = {
> .layer_nr = 2,
> .fmt_rgb565_is_0 = true,
> .smi_id_en = true,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
> };
>
> static const struct mtk_disp_ovl_data mt8195_ovl_driver_data = {
> @@ -541,6 +583,8 @@ static const struct mtk_disp_ovl_data mt8195_ovl_driver_data = {
> .fmt_rgb565_is_0 = true,
> .smi_id_en = true,
> .supports_afbc = true,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
> };
>
> static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = {
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> index 0ec2e4049e07..cf92df845160 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> @@ -54,8 +54,24 @@
>
> #define RDMA_MEM_GMC 0x40402020
>
> +static const u32 mt8173_formats[] = {
> + DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_ARGB8888,
> + DRM_FORMAT_BGRX8888,
> + DRM_FORMAT_BGRA8888,
> + DRM_FORMAT_ABGR8888,
> + DRM_FORMAT_XBGR8888,
> + DRM_FORMAT_RGB888,
> + DRM_FORMAT_BGR888,
> + DRM_FORMAT_RGB565,
> + DRM_FORMAT_UYVY,
> + DRM_FORMAT_YUYV,
> +};
> +
> struct mtk_disp_rdma_data {
> unsigned int fifo_size;
> + const u32 *formats;
> + size_t num_formats;
> };
>
> /*
> @@ -126,6 +142,20 @@ void mtk_rdma_disable_vblank(struct device *dev)
> rdma_update_bits(dev, DISP_REG_RDMA_INT_ENABLE, RDMA_FRAME_END_INT, 0);
> }
>
> +const u32 *mtk_rdma_get_formats(struct device *dev)
> +{
> + struct mtk_disp_rdma *rdma = dev_get_drvdata(dev);
> +
> + return rdma->data->formats;
> +}
> +
> +size_t mtk_rdma_get_num_formats(struct device *dev)
> +{
> + struct mtk_disp_rdma *rdma = dev_get_drvdata(dev);
> +
> + return rdma->data->num_formats;
> +}
> +
> int mtk_rdma_clk_enable(struct device *dev)
> {
> struct mtk_disp_rdma *rdma = dev_get_drvdata(dev);
> @@ -360,18 +390,26 @@ static int mtk_disp_rdma_remove(struct platform_device *pdev)
>
> static const struct mtk_disp_rdma_data mt2701_rdma_driver_data = {
> .fifo_size = SZ_4K,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
> };
>
> static const struct mtk_disp_rdma_data mt8173_rdma_driver_data = {
> .fifo_size = SZ_8K,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
> };
>
> static const struct mtk_disp_rdma_data mt8183_rdma_driver_data = {
> .fifo_size = 5 * SZ_1K,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
> };
>
> static const struct mtk_disp_rdma_data mt8195_rdma_driver_data = {
> .fifo_size = 1920,
> + .formats = mt8173_formats,
> + .num_formats = ARRAY_SIZE(mt8173_formats),
> };
>
> static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = {
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index 112615817dcb..2ba01c484228 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> @@ -856,7 +856,9 @@ static int mtk_drm_crtc_init_comp_planes(struct drm_device *drm_dev,
> BIT(pipe),
> mtk_drm_crtc_plane_type(mtk_crtc->layer_nr,
> num_planes),
> - mtk_ddp_comp_supported_rotations(comp));
> + mtk_ddp_comp_supported_rotations(comp),
> + mtk_ddp_comp_get_formats(comp),
> + mtk_ddp_comp_get_num_formats(comp));
> if (ret)
> return ret;
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 6b6d5335c834..4a4c1928f83d 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -359,6 +359,8 @@ static const struct mtk_ddp_comp_funcs ddp_ovl = {
> .layer_config = mtk_ovl_layer_config,
> .bgclr_in_on = mtk_ovl_bgclr_in_on,
> .bgclr_in_off = mtk_ovl_bgclr_in_off,
> + .get_formats = mtk_ovl_get_formats,
> + .get_num_formats = mtk_ovl_get_num_formats,
> };
>
> static const struct mtk_ddp_comp_funcs ddp_postmask = {
> @@ -381,6 +383,8 @@ static const struct mtk_ddp_comp_funcs ddp_rdma = {
> .disable_vblank = mtk_rdma_disable_vblank,
> .layer_nr = mtk_rdma_layer_nr,
> .layer_config = mtk_rdma_layer_config,
> + .get_formats = mtk_rdma_get_formats,
> + .get_num_formats = mtk_rdma_get_num_formats,
> };
>
> static const struct mtk_ddp_comp_funcs ddp_ufoe = {
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> index 2d0052c23dcb..7f2e638cfdc2 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> @@ -71,6 +71,8 @@ struct mtk_ddp_comp_funcs {
> void (*bgclr_in_off)(struct device *dev);
> void (*ctm_set)(struct device *dev,
> struct drm_crtc_state *state);
> + const u32 *(*get_formats)(struct device *dev);
> + size_t (*get_num_formats)(struct device *dev);
> };
>
> struct mtk_ddp_comp {
> @@ -203,6 +205,24 @@ static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
> comp->funcs->ctm_set(comp->dev, state);
> }
>
> +static inline
> +const u32 *mtk_ddp_comp_get_formats(struct mtk_ddp_comp *comp)
> +{
> + if (comp->funcs && comp->funcs->get_formats)
> + return comp->funcs->get_formats(comp->dev);
> +
> + return NULL;
> +}
> +
> +static inline
> +size_t mtk_ddp_comp_get_num_formats(struct mtk_ddp_comp *comp)
> +{
> + if (comp->funcs && comp->funcs->get_num_formats)
> + return comp->funcs->get_num_formats(comp->dev);
> +
> + return 0;
> +}
> +
> int mtk_ddp_comp_get_id(struct device_node *node,
> enum mtk_ddp_comp_type comp_type);
> unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> index d54fbf34b000..31f9420aff6f 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> @@ -19,20 +19,6 @@
> #include "mtk_drm_gem.h"
> #include "mtk_drm_plane.h"
>
> -static const u32 formats[] = {
> - DRM_FORMAT_XRGB8888,
> - DRM_FORMAT_ARGB8888,
> - DRM_FORMAT_BGRX8888,
> - DRM_FORMAT_BGRA8888,
> - DRM_FORMAT_ABGR8888,
> - DRM_FORMAT_XBGR8888,
> - DRM_FORMAT_RGB888,
> - DRM_FORMAT_BGR888,
> - DRM_FORMAT_RGB565,
> - DRM_FORMAT_UYVY,
> - DRM_FORMAT_YUYV,
> -};
> -
> static const u64 modifiers[] = {
> DRM_FORMAT_MOD_LINEAR,
> DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
> @@ -315,13 +301,19 @@ static const struct drm_plane_helper_funcs mtk_plane_helper_funcs = {
>
> int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane,
> unsigned long possible_crtcs, enum drm_plane_type type,
> - unsigned int supported_rotations)
> + unsigned int supported_rotations, const u32 *formats,
> + size_t num_formats)
Why can't we use ARRAY_SIZE(formats) here like we did before?
Regards,
Matthias
> {
> int err;
>
> + if (!formats || !num_formats) {
> + DRM_ERROR("no formats for plane\n");
> + return -EINVAL;
> + }
> +
> err = drm_universal_plane_init(dev, plane, possible_crtcs,
> &mtk_plane_funcs, formats,
> - ARRAY_SIZE(formats), modifiers, type, NULL);
> + num_formats, modifiers, type, NULL);
> if (err) {
> DRM_ERROR("failed to initialize plane\n");
> return err;
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.h b/drivers/gpu/drm/mediatek/mtk_drm_plane.h
> index 8f39011cdbfc..99aff7da0831 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.h
> @@ -48,6 +48,7 @@ to_mtk_plane_state(struct drm_plane_state *state)
>
> int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane,
> unsigned long possible_crtcs, enum drm_plane_type type,
> - unsigned int supported_rotations);
> + unsigned int supported_rotations, const u32 *formats,
> + size_t num_formats);
>
> #endif
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