Re: [PATCH 4/5] drm/msm/dpu: Add SA8775P support

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On 9/24/2024 5:46 PM, Dmitry Baryshkov wrote:
On Tue, Sep 24, 2024 at 04:42:02PM GMT, Mahadevan P wrote:
On 9/12/2024 1:34 PM, Dmitry Baryshkov wrote:
On Thu, Sep 12, 2024 at 12:44:36PM GMT, Mahadevan wrote:
Add definitions for the display hardware used on the
Qualcomm SA8775P platform.

Signed-off-by: Mahadevan <quic_mahap@xxxxxxxxxxx>
---
   .../msm/disp/dpu1/catalog/dpu_8_4_sa8775p.h   | 485 ++++++++++++++++++
   .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c    |   3 +-
   .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h    |   3 +-
   drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c       |   3 +-
   4 files changed, 491 insertions(+), 3 deletions(-)
   create mode 100644 drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_4_sa8775p.h

[...]

+static const struct dpu_intf_cfg sa8775p_intf[] = {
+	{
+		.name = "intf_0", .id = INTF_0,
+		.base = 0x34000, .len = 0x280,
+		.features = INTF_SC7280_MASK,
+		.type = INTF_DP,
+		.controller_id = MSM_DP_CONTROLLER_0,
+		.prog_fetch_lines_worst_case = 24,
+		.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 24),
+		.intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 25),
+	}, {
+		.name = "intf_1", .id = INTF_1,
+		.base = 0x35000, .len = 0x300,
+		.features = INTF_SC7280_MASK,
+		.type = INTF_DSI,
+		.controller_id = MSM_DSI_CONTROLLER_0,
+		.prog_fetch_lines_worst_case = 24,
+		.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 26),
+		.intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 27),
+		.intr_tear_rd_ptr = DPU_IRQ_IDX(MDP_INTF1_TEAR_INTR, 2),
+	}, {
+		.name = "intf_2", .id = INTF_2,
+		.base = 0x36000, .len = 0x300,
+		.features = INTF_SC7280_MASK,
+		.type = INTF_DSI,
+		.controller_id = MSM_DSI_CONTROLLER_1,
+		.prog_fetch_lines_worst_case = 24,
+		.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 28),
+		.intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 29),
+		.intr_tear_rd_ptr = DPU_IRQ_IDX(MDP_INTF2_TEAR_INTR, 2),
+	}, {
+		.name = "intf_3", .id = INTF_3,
+		.base = 0x37000, .len = 0x280,
+		.features = INTF_SC7280_MASK,
+		.type = INTF_NONE,
+		.controller_id = MSM_DP_CONTROLLER_0,	/* pair with intf_0 for DP MST */
+		.prog_fetch_lines_worst_case = 24,
+		.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 30),
+		.intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 31),
+	}, {
+		.name = "intf_4", .id = INTF_4,
+		.base = 0x38000, .len = 0x280,
+		.features = INTF_SC7280_MASK,
+		.type = INTF_DP,
+		.controller_id = MSM_DP_CONTROLLER_1,
+		.prog_fetch_lines_worst_case = 24,
+		.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 20),
+		.intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 21),
+	}, {
Where is intf_5 ?

intf_5 of base address 0x39000 is not supported on this target.
Not supported by whom?


In sa8775p mdss architecture intf_5 is not present. So we are not adding in SW too.




+		.name = "intf_6", .id = INTF_6,
+		.base = 0x3A000, .len = 0x280,
+		.features = INTF_SC7280_MASK,
+		.type = INTF_NONE,
+		.controller_id = MSM_DP_CONTROLLER_0,	/* pair with intf_0 for DP MST */
+		.prog_fetch_lines_worst_case = 24,
+		.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 17),
+		.intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 16),
+	}, {
[skipped]

@@ -1464,6 +1464,7 @@ static const struct of_device_id dpu_dt_match[] = {
   	{ .compatible = "qcom,sm8250-dpu", .data = &dpu_sm8250_cfg, },
   	{ .compatible = "qcom,sm8350-dpu", .data = &dpu_sm8350_cfg, },
   	{ .compatible = "qcom,sm8450-dpu", .data = &dpu_sm8450_cfg, },
+	{ .compatible = "qcom,sa8775p-dpu", .data = &dpu_sa8775p_cfg, },
Wrong sorting order

Sure will move below sm8650-dpu.
What makes you think that in a dictionary sa8775p comes after sm8650?


Will update according to alphabetical order in next patch.




   	{ .compatible = "qcom,sm8550-dpu", .data = &dpu_sm8550_cfg, },
   	{ .compatible = "qcom,sm8650-dpu", .data = &dpu_sm8650_cfg, },
   	{ .compatible = "qcom,x1e80100-dpu", .data = &dpu_x1e80100_cfg, },
--
2.34.1




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