Re: [RFC PATCH 4/7] drm/msm/dpu: Move dpu_hw_{tear_check,pp_vsync_info} to dpu_hw_mdss.h

2023-01-01 Thread Dmitry Baryshkov

On 31/12/2022 23:50, Marijn Suijten wrote:

From: Konrad Dybcio 

Now that newer SoCs since DPU 5.0.0 manage tearcheck in the INTF instead
of PINGPONG block, move the struct definition to a common file. Also,
bring in documentation from msm-4.19 techpack while at it.

Signed-off-by: Konrad Dybcio 
[Marijn: Also move dpu_hw_pp_vsync_info]
Signed-off-by: Marijn Suijten 
---
  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h   | 46 +++
  .../gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h   | 22 -
  2 files changed, 46 insertions(+), 22 deletions(-)


Reviewed-by: Dmitry Baryshkov 

--
With best wishes
Dmitry



[RFC PATCH 4/7] drm/msm/dpu: Move dpu_hw_{tear_check, pp_vsync_info} to dpu_hw_mdss.h

2022-12-31 Thread Marijn Suijten
From: Konrad Dybcio 

Now that newer SoCs since DPU 5.0.0 manage tearcheck in the INTF instead
of PINGPONG block, move the struct definition to a common file. Also,
bring in documentation from msm-4.19 techpack while at it.

Signed-off-by: Konrad Dybcio 
[Marijn: Also move dpu_hw_pp_vsync_info]
Signed-off-by: Marijn Suijten 
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h   | 46 +++
 .../gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h   | 22 -
 2 files changed, 46 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
index d3b0ed0a9c6c..64b2bf219a34 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
@@ -456,4 +456,50 @@ struct dpu_mdss_color {
 #define DPU_DBG_MASK_DSPP (1 << 10)
 #define DPU_DBG_MASK_DSC  (1 << 11)
 
+/**
+ * struct dpu_hw_tear_check - Struct contains parameters to configure
+ * tear-effect module. This structure is used to configure tear-check
+ * logic present either in ping-pong or in interface module.
+ * @vsync_count:Ratio of MDP VSYNC clk freq(Hz) to refresh rate divided
+ *  by no of lines
+ * @sync_cfg_height:Total vertical lines (display height - 1)
+ * @vsync_init_val: Init value to which the read pointer gets loaded at
+ *  vsync edge
+ * @sync_threshold_start:Read pointer threshold start ROI for write 
operation
+ * @sync_threshold_continue: The minimum number of lines the write pointer
+ *   needs to be above the read pointer
+ * @start_pos:  The position from which the start_threshold value is 
added
+ * @rd_ptr_irq: The read pointer line at which interrupt has to be 
generated
+ * @hw_vsync_mode:  Sync with external frame sync input
+ */
+struct dpu_hw_tear_check {
+   /*
+* This is ratio of MDP VSYNC clk freq(Hz) to
+* refresh rate divided by no of lines
+*/
+   u32 vsync_count;
+   u32 sync_cfg_height;
+   u32 vsync_init_val;
+   u32 sync_threshold_start;
+   u32 sync_threshold_continue;
+   u32 start_pos;
+   u32 rd_ptr_irq;
+   u8 hw_vsync_mode;
+};
+
+/**
+ * struct dpu_hw_pp_vsync_info - Struct contains parameters to configure
+ * read and write pointers for command mode panels
+ * @rd_ptr_init_val:Value of rd pointer at vsync edge
+ * @rd_ptr_frame_count: Num frames sent since enabling interface
+ * @rd_ptr_line_count:  Current line on panel (rd ptr)
+ * @wr_ptr_line_count:  Current line within pp fifo (wr ptr)
+ */
+struct dpu_hw_pp_vsync_info {
+   u32 rd_ptr_init_val;
+   u32 rd_ptr_frame_count;
+   u32 rd_ptr_line_count;
+   u32 wr_ptr_line_count;
+};
+
 #endif  /* _DPU_HW_MDSS_H */
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h
index c00223441d99..5aa7b5647e38 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h
@@ -13,28 +13,6 @@
 
 struct dpu_hw_pingpong;
 
-struct dpu_hw_tear_check {
-   /*
-* This is ratio of MDP VSYNC clk freq(Hz) to
-* refresh rate divided by no of lines
-*/
-   u32 vsync_count;
-   u32 sync_cfg_height;
-   u32 vsync_init_val;
-   u32 sync_threshold_start;
-   u32 sync_threshold_continue;
-   u32 start_pos;
-   u32 rd_ptr_irq;
-   u8 hw_vsync_mode;
-};
-
-struct dpu_hw_pp_vsync_info {
-   u32 rd_ptr_init_val;/* value of rd pointer at vsync edge */
-   u32 rd_ptr_frame_count; /* num frames sent since enabling interface */
-   u32 rd_ptr_line_count;  /* current line on panel (rd ptr) */
-   u32 wr_ptr_line_count;  /* current line within pp fifo (wr ptr) */
-};
-
 /**
  * struct dpu_hw_dither_cfg - dither feature structure
  * @flags: for customizing operations
-- 
2.39.0