Message ID | 20220912013006.27541-5-jason-jh.lin@mediatek.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Add gamma lut support for mt8195 | expand |
Hi, Jason: On Mon, 2022-09-12 at 09:30 +0800, Jason-JH.Lin wrote: > 1. Add mtk_drm_gamma_get_lut_size() and remove MTK_LUT_SIZE macro. > 2. Add lut_size to gamma driver data for different SoC. Separate these two modification to two patches. In the patch of mtk_drm_gamma_get_lut_size(), consider the aal driver. Regards, CK > > Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_disp_drv.h | 1 + > drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 22 > +++++++++++++++++++-- > drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 4 ++-- > drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 1 - > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 9 +++++++++ > 5 files changed, 32 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h > b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > index a83e5fbc8724..6a05bb56e693 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > @@ -51,6 +51,7 @@ void mtk_gamma_clk_disable(struct device *dev); > void mtk_gamma_config(struct device *dev, unsigned int w, > unsigned int h, unsigned int vrefresh, > unsigned int bpc, struct cmdq_pkt *cmdq_pkt); > +unsigned int mtk_gamma_get_lut_size(struct device *dev); > void mtk_gamma_set(struct device *dev, struct drm_crtc_state > *state); > void mtk_gamma_set_common(struct device *dev, void __iomem *regs, > struct drm_crtc_state *state); > void mtk_gamma_start(struct device *dev); > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c > b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c > index f54a6a618348..0a1022032b71 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c > +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c > @@ -24,10 +24,12 @@ > #define DISP_GAMMA_LUT 0x0700 > > #define LUT_10BIT_MASK 0x03ff > +#define LUT_SIZE_DEFAULT 512 /* for setting > gamma lut from AAL */ > > struct mtk_disp_gamma_data { > bool has_dither; > bool lut_diff; > + u16 lut_size; > }; > > /* > @@ -54,18 +56,32 @@ void mtk_gamma_clk_disable(struct device *dev) > clk_disable_unprepare(gamma->clk); > } > > +unsigned int mtk_gamma_get_lut_size(struct device *dev) > +{ > + struct mtk_disp_gamma *gamma = dev_get_drvdata(dev); > + unsigned int lut_size = LUT_SIZE_DEFAULT; > + > + if (gamma && gamma->data) > + lut_size = gamma->data->lut_size; > + > + return lut_size; > +} > + > void mtk_gamma_set_common(struct device *dev, void __iomem *regs, > struct drm_crtc_state *state) > { > struct mtk_disp_gamma *gamma = dev_get_drvdata(dev); > bool lut_diff = false; > + u16 lut_size = LUT_SIZE_DEFAULT; > unsigned int i, reg; > struct drm_color_lut *lut; > void __iomem *lut_base; > u32 word; > u32 diff[3] = {0}; > > - if (gamma && gamma->data) > + if (gamma && gamma->data) { > lut_diff = gamma->data->lut_diff; > + lut_size = gamma->data->lut_size; > + } > > if (state->gamma_lut) { > reg = readl(regs + DISP_GAMMA_CFG); > @@ -73,7 +89,7 @@ void mtk_gamma_set_common(struct device *dev, void > __iomem *regs, struct drm_crt > writel(reg, regs + DISP_GAMMA_CFG); > lut_base = regs + DISP_GAMMA_LUT; > lut = (struct drm_color_lut *)state->gamma_lut->data; > - for (i = 0; i < MTK_LUT_SIZE; i++) { > + for (i = 0; i < lut_size; i++) { > > if (!lut_diff || (i % 2 == 0)) { > word = (((lut[i].red >> 6) & > LUT_10BIT_MASK) << 20) + > @@ -192,10 +208,12 @@ static int mtk_disp_gamma_remove(struct > platform_device *pdev) > > static const struct mtk_disp_gamma_data mt8173_gamma_driver_data = { > .has_dither = true, > + .lut_size = 512, > }; > > static const struct mtk_disp_gamma_data mt8183_gamma_driver_data = { > .lut_diff = true, > + .lut_size = 512, > }; > > static const struct of_device_id mtk_disp_gamma_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..fc845490fbb4 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > @@ -929,8 +929,8 @@ int mtk_drm_crtc_create(struct drm_device > *drm_dev, > mtk_crtc->ddp_comp[i] = comp; > > if (comp->funcs) { > - if (comp->funcs->gamma_set) > - gamma_lut_size = MTK_LUT_SIZE; > + if (comp->funcs->gamma_set && comp->funcs- > >gamma_get_lut_size) > + gamma_lut_size = > mtk_ddp_gamma_get_lut_size(comp); > > if (comp->funcs->ctm_set) > has_ctm = true; > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h > b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h > index cb9a36c48d4f..1799853ef89a 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h > @@ -10,7 +10,6 @@ > #include "mtk_drm_ddp_comp.h" > #include "mtk_drm_plane.h" > > -#define MTK_LUT_SIZE 512 > #define MTK_MAX_BPC 10 > #define MTK_MIN_BPC 3 > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > index 2d0052c23dcb..ab589ea11ba7 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > @@ -65,6 +65,7 @@ struct mtk_ddp_comp_funcs { > void (*layer_config)(struct device *dev, unsigned int idx, > struct mtk_plane_state *state, > struct cmdq_pkt *cmdq_pkt); > + unsigned int (*gamma_get_lut_size)(struct device *dev); > void (*gamma_set)(struct device *dev, > struct drm_crtc_state *state); > void (*bgclr_in_on)(struct device *dev); > @@ -177,6 +178,14 @@ static inline void > mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp, > comp->funcs->layer_config(comp->dev, idx, state, > cmdq_pkt); > } > > +static inline unsigned int mtk_ddp_gamma_get_lut_size(struct > mtk_ddp_comp *comp) > +{ > + if (comp->funcs && comp->funcs->gamma_get_lut_size) > + return comp->funcs->gamma_get_lut_size(comp->dev); > + > + return 0; > +} > + > static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp, > struct drm_crtc_state *state) > {
Hi CK, Thanks for the reviews. On Mon, 2022-09-12 at 11:14 +0800, CK Hu wrote: > Hi, Jason: > > On Mon, 2022-09-12 at 09:30 +0800, Jason-JH.Lin wrote: > > 1. Add mtk_drm_gamma_get_lut_size() and remove MTK_LUT_SIZE macro. > > 2. Add lut_size to gamma driver data for different SoC. > > Separate these two modification to two patches. In the patch of > mtk_drm_gamma_get_lut_size(), consider the aal driver. > > Regards, > CK OK, I'll separate them. Regards, Jason-JH.Lin
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index a83e5fbc8724..6a05bb56e693 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -51,6 +51,7 @@ void mtk_gamma_clk_disable(struct device *dev); void mtk_gamma_config(struct device *dev, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +unsigned int mtk_gamma_get_lut_size(struct device *dev); void mtk_gamma_set(struct device *dev, struct drm_crtc_state *state); void mtk_gamma_set_common(struct device *dev, void __iomem *regs, struct drm_crtc_state *state); void mtk_gamma_start(struct device *dev); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c index f54a6a618348..0a1022032b71 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -24,10 +24,12 @@ #define DISP_GAMMA_LUT 0x0700 #define LUT_10BIT_MASK 0x03ff +#define LUT_SIZE_DEFAULT 512 /* for setting gamma lut from AAL */ struct mtk_disp_gamma_data { bool has_dither; bool lut_diff; + u16 lut_size; }; /* @@ -54,18 +56,32 @@ void mtk_gamma_clk_disable(struct device *dev) clk_disable_unprepare(gamma->clk); } +unsigned int mtk_gamma_get_lut_size(struct device *dev) +{ + struct mtk_disp_gamma *gamma = dev_get_drvdata(dev); + unsigned int lut_size = LUT_SIZE_DEFAULT; + + if (gamma && gamma->data) + lut_size = gamma->data->lut_size; + + return lut_size; +} + void mtk_gamma_set_common(struct device *dev, void __iomem *regs, struct drm_crtc_state *state) { struct mtk_disp_gamma *gamma = dev_get_drvdata(dev); bool lut_diff = false; + u16 lut_size = LUT_SIZE_DEFAULT; unsigned int i, reg; struct drm_color_lut *lut; void __iomem *lut_base; u32 word; u32 diff[3] = {0}; - if (gamma && gamma->data) + if (gamma && gamma->data) { lut_diff = gamma->data->lut_diff; + lut_size = gamma->data->lut_size; + } if (state->gamma_lut) { reg = readl(regs + DISP_GAMMA_CFG); @@ -73,7 +89,7 @@ void mtk_gamma_set_common(struct device *dev, void __iomem *regs, struct drm_crt writel(reg, regs + DISP_GAMMA_CFG); lut_base = regs + DISP_GAMMA_LUT; lut = (struct drm_color_lut *)state->gamma_lut->data; - for (i = 0; i < MTK_LUT_SIZE; i++) { + for (i = 0; i < lut_size; i++) { if (!lut_diff || (i % 2 == 0)) { word = (((lut[i].red >> 6) & LUT_10BIT_MASK) << 20) + @@ -192,10 +208,12 @@ static int mtk_disp_gamma_remove(struct platform_device *pdev) static const struct mtk_disp_gamma_data mt8173_gamma_driver_data = { .has_dither = true, + .lut_size = 512, }; static const struct mtk_disp_gamma_data mt8183_gamma_driver_data = { .lut_diff = true, + .lut_size = 512, }; static const struct of_device_id mtk_disp_gamma_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..fc845490fbb4 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -929,8 +929,8 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, mtk_crtc->ddp_comp[i] = comp; if (comp->funcs) { - if (comp->funcs->gamma_set) - gamma_lut_size = MTK_LUT_SIZE; + if (comp->funcs->gamma_set && comp->funcs->gamma_get_lut_size) + gamma_lut_size = mtk_ddp_gamma_get_lut_size(comp); if (comp->funcs->ctm_set) has_ctm = true; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h index cb9a36c48d4f..1799853ef89a 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h @@ -10,7 +10,6 @@ #include "mtk_drm_ddp_comp.h" #include "mtk_drm_plane.h" -#define MTK_LUT_SIZE 512 #define MTK_MAX_BPC 10 #define MTK_MIN_BPC 3 diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 2d0052c23dcb..ab589ea11ba7 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -65,6 +65,7 @@ struct mtk_ddp_comp_funcs { void (*layer_config)(struct device *dev, unsigned int idx, struct mtk_plane_state *state, struct cmdq_pkt *cmdq_pkt); + unsigned int (*gamma_get_lut_size)(struct device *dev); void (*gamma_set)(struct device *dev, struct drm_crtc_state *state); void (*bgclr_in_on)(struct device *dev); @@ -177,6 +178,14 @@ static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp, comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt); } +static inline unsigned int mtk_ddp_gamma_get_lut_size(struct mtk_ddp_comp *comp) +{ + if (comp->funcs && comp->funcs->gamma_get_lut_size) + return comp->funcs->gamma_get_lut_size(comp->dev); + + return 0; +} + static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp, struct drm_crtc_state *state) {
1. Add mtk_drm_gamma_get_lut_size() and remove MTK_LUT_SIZE macro. 2. Add lut_size to gamma driver data for different SoC. Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com> --- drivers/gpu/drm/mediatek/mtk_disp_drv.h | 1 + drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 22 +++++++++++++++++++-- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 4 ++-- drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 1 - drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 9 +++++++++ 5 files changed, 32 insertions(+), 5 deletions(-)