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author | Konrad Dybcio <konrad.dybcio@somainline.org> | 2023-04-27 00:37:30 +0200 |
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committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-05-22 10:14:18 +0300 |
commit | c31ec42ebb45aaa4f668037525b8df140563ca6a (patch) | |
tree | 0ad2adc21a2d081e187a2d785bbafd503e02497a /drivers | |
parent | a2ff096803b30de95c6428ade638726ee3897b8e (diff) | |
download | linux-stable-c31ec42ebb45aaa4f668037525b8df140563ca6a.tar.gz linux-stable-c31ec42ebb45aaa4f668037525b8df140563ca6a.tar.bz2 linux-stable-c31ec42ebb45aaa4f668037525b8df140563ca6a.zip |
drm/msm/dpu: Move dpu_hw_{tear_check, pp_vsync_info} to dpu_hw_mdss.h
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 <konrad.dybcio@somainline.org>
[Marijn: Also move dpu_hw_pp_vsync_info]
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/534232/
Link: https://lore.kernel.org/r/20230411-dpu-intf-te-v4-16-27ce1a5ab5c6@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h | 46 | ||||
-rw-r--r-- | drivers/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 2d9192a6ce00..6ed12fd0505b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h @@ -463,4 +463,50 @@ 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 336d383f8b64..08ba9d76f061 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 |