* [PATCH v2 0/3] Add check for max clock rate in mode_valid
@ 2021-02-08 1:26 Jitao Shi
2021-02-08 1:26 ` [PATCH v2 1/3] drm/mediatek: mtk_dpi: " Jitao Shi
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Jitao Shi @ 2021-02-08 1:26 UTC (permalink / raw)
To: Chun-Kuang Hu, Philipp Zabel
Cc: devicetree, Jitao Shi, srv_heupstream, shuijing.li, airlied,
huijuan.xie, stonea168, linux-kernel, dri-devel, ck.hu, robh+dt,
linux-mediatek, daniel, matthias.bgg, yingjoe.chen, eddie.huang,
linux-arm-kernel
Changes since v1:
- fix build err.
Jitao Shi (3):
drm/mediatek: mtk_dpi: Add check for max clock rate in mode_valid
drm/mediatek: mtk_dpi: Add dpi config for mt8192
dt-bindings: mediatek,dpi: add mt8192 to mediatek,dpi
.../display/mediatek/mediatek,dpi.yaml | 1 +
drivers/gpu/drm/mediatek/mtk_dpi.c | 26 +++++++++++++++++++
2 files changed, 27 insertions(+)
--
2.25.1
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^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH v2 1/3] drm/mediatek: mtk_dpi: Add check for max clock rate in mode_valid
2021-02-08 1:26 [PATCH v2 0/3] Add check for max clock rate in mode_valid Jitao Shi
@ 2021-02-08 1:26 ` Jitao Shi
2021-02-08 1:26 ` [PATCH v2 2/3] drm/mediatek: mtk_dpi: Add dpi config for mt8192 Jitao Shi
2021-02-08 1:26 ` [PATCH v2 3/3] dt-bindings: mediatek,dpi: add mt8192 to mediatek,dpi Jitao Shi
2 siblings, 0 replies; 4+ messages in thread
From: Jitao Shi @ 2021-02-08 1:26 UTC (permalink / raw)
To: Chun-Kuang Hu, Philipp Zabel
Cc: devicetree, Jitao Shi, srv_heupstream, shuijing.li, airlied,
huijuan.xie, stonea168, linux-kernel, dri-devel, ck.hu, robh+dt,
linux-mediatek, daniel, matthias.bgg, yingjoe.chen, eddie.huang,
linux-arm-kernel
Add per-platform max clock rate check in mtk_dpi_bridge_mode_valid.
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 52f11a63a330..ffa4a0f1989f 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -118,6 +118,7 @@ struct mtk_dpi_yc_limit {
struct mtk_dpi_conf {
unsigned int (*cal_factor)(int clock);
u32 reg_h_fre_con;
+ u32 max_clock_khz;
bool edge_sel_en;
};
@@ -555,9 +556,22 @@ static void mtk_dpi_bridge_enable(struct drm_bridge *bridge)
mtk_dpi_set_display_mode(dpi, &dpi->mode);
}
+static enum drm_mode_status
+mtk_dpi_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode)
+{
+ struct mtk_dpi *dpi = bridge_to_dpi(bridge);
+
+ if (dpi->conf->max_clock_khz && mode->clock > dpi->conf->max_clock_khz)
+ return MODE_CLOCK_HIGH;
+
+ return MODE_OK;
+}
+
static const struct drm_bridge_funcs mtk_dpi_bridge_funcs = {
.attach = mtk_dpi_bridge_attach,
.mode_set = mtk_dpi_bridge_mode_set,
+ .mode_valid = mtk_dpi_bridge_mode_valid,
.disable = mtk_dpi_bridge_disable,
.enable = mtk_dpi_bridge_enable,
};
@@ -673,17 +687,20 @@ static unsigned int mt8183_calculate_factor(int clock)
static const struct mtk_dpi_conf mt8173_conf = {
.cal_factor = mt8173_calculate_factor,
.reg_h_fre_con = 0xe0,
+ .max_clock_khz = 300000,
};
static const struct mtk_dpi_conf mt2701_conf = {
.cal_factor = mt2701_calculate_factor,
.reg_h_fre_con = 0xb0,
.edge_sel_en = true,
+ .max_clock_khz = 150000,
};
static const struct mtk_dpi_conf mt8183_conf = {
.cal_factor = mt8183_calculate_factor,
.reg_h_fre_con = 0xe0,
+ .max_clock_khz = 100000,
};
static int mtk_dpi_probe(struct platform_device *pdev)
--
2.25.1
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH v2 2/3] drm/mediatek: mtk_dpi: Add dpi config for mt8192
2021-02-08 1:26 [PATCH v2 0/3] Add check for max clock rate in mode_valid Jitao Shi
2021-02-08 1:26 ` [PATCH v2 1/3] drm/mediatek: mtk_dpi: " Jitao Shi
@ 2021-02-08 1:26 ` Jitao Shi
2021-02-08 1:26 ` [PATCH v2 3/3] dt-bindings: mediatek,dpi: add mt8192 to mediatek,dpi Jitao Shi
2 siblings, 0 replies; 4+ messages in thread
From: Jitao Shi @ 2021-02-08 1:26 UTC (permalink / raw)
To: Chun-Kuang Hu, Philipp Zabel
Cc: devicetree, Jitao Shi, srv_heupstream, shuijing.li, airlied,
huijuan.xie, stonea168, linux-kernel, dri-devel, ck.hu, robh+dt,
linux-mediatek, daniel, matthias.bgg, yingjoe.chen, eddie.huang,
linux-arm-kernel
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index ffa4a0f1989f..f6f71eb67ff1 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -703,6 +703,12 @@ static const struct mtk_dpi_conf mt8183_conf = {
.max_clock_khz = 100000,
};
+static const struct mtk_dpi_conf mt8192_conf = {
+ .cal_factor = mt8183_calculate_factor,
+ .reg_h_fre_con = 0xe0,
+ .max_clock_khz = 150000,
+};
+
static int mtk_dpi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -837,6 +843,9 @@ static const struct of_device_id mtk_dpi_of_ids[] = {
{ .compatible = "mediatek,mt8183-dpi",
.data = &mt8183_conf,
},
+ { .compatible = "mediatek,mt8192-dpi",
+ .data = &mt8192_conf,
+ },
{ },
};
--
2.25.1
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH v2 3/3] dt-bindings: mediatek,dpi: add mt8192 to mediatek,dpi
2021-02-08 1:26 [PATCH v2 0/3] Add check for max clock rate in mode_valid Jitao Shi
2021-02-08 1:26 ` [PATCH v2 1/3] drm/mediatek: mtk_dpi: " Jitao Shi
2021-02-08 1:26 ` [PATCH v2 2/3] drm/mediatek: mtk_dpi: Add dpi config for mt8192 Jitao Shi
@ 2021-02-08 1:26 ` Jitao Shi
2 siblings, 0 replies; 4+ messages in thread
From: Jitao Shi @ 2021-02-08 1:26 UTC (permalink / raw)
To: Chun-Kuang Hu, Philipp Zabel
Cc: devicetree, Jitao Shi, srv_heupstream, shuijing.li, airlied,
huijuan.xie, stonea168, linux-kernel, dri-devel, ck.hu, robh+dt,
linux-mediatek, daniel, matthias.bgg, yingjoe.chen, eddie.huang,
linux-arm-kernel
Add compatible "mediatek,mt8192-dpi" for the mt8192 dpi.
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
---
.../devicetree/bindings/display/mediatek/mediatek,dpi.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
index 6cdb734c91a9..2f566f19e6e0 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
@@ -22,6 +22,7 @@ properties:
- mediatek,mt7623-dpi
- mediatek,mt8173-dpi
- mediatek,mt8183-dpi
+ - mediatek,mt8192-dpi
reg:
maxItems: 1
--
2.25.1
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^ permalink raw reply related [flat|nested] 4+ messages in thread
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Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2021-02-08 1:26 [PATCH v2 0/3] Add check for max clock rate in mode_valid Jitao Shi
2021-02-08 1:26 ` [PATCH v2 1/3] drm/mediatek: mtk_dpi: " Jitao Shi
2021-02-08 1:26 ` [PATCH v2 2/3] drm/mediatek: mtk_dpi: Add dpi config for mt8192 Jitao Shi
2021-02-08 1:26 ` [PATCH v2 3/3] dt-bindings: mediatek,dpi: add mt8192 to mediatek,dpi Jitao Shi
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