Rework bandwidth/clock calculation functions to use mode directly rather
than fetching it through the plane data.
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 39 ++++++++++-------------
1 file changed, 17 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 7fc2c767c6d1..3d0c5a36a7dc 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -127,20 +127,19 @@ static struct dpu_kms *_dpu_plane_get_kms(struct
drm_plane *plane)
/**
* _dpu_plane_calc_bw - calculate bandwidth required for a plane
- * @plane: Pointer to drm plane.
+ * @catalog: Points to dpu catalog structure
* @fmt: Pointer to source buffer format
+ * @mode: Pointer to drm display mode
* @pipe_cfg: Pointer to pipe configuration
* Result: Updates calculated bandwidth in the plane state.
* BW Equation: src_w * src_h * bpp * fps * (v_total / v_dest)
* Prefill BW Equation: line src bytes * line_time
*/
-static void _dpu_plane_calc_bw(struct drm_plane *plane,
+static u64 _dpu_plane_calc_bw(const struct dpu_mdss_cfg *catalog,
const struct dpu_format *fmt,
+ const struct drm_display_mode *mode,
struct dpu_hw_pipe_cfg *pipe_cfg)
{
- struct dpu_plane_state *pstate;
- struct drm_display_mode *mode;
- struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
int src_width, src_height, dst_height, fps;
u64 plane_prefill_bw;
u64 plane_bw;
@@ -148,9 +147,6 @@ static void _dpu_plane_calc_bw(struct drm_plane *plane,
u64 scale_factor;
int vbp, vpw, vfp;
- pstate = to_dpu_plane_state(plane->state);
- mode = &plane->state->crtc->mode;
-
src_width = drm_rect_width(&pipe_cfg->src_rect);
src_height = drm_rect_height(&pipe_cfg->src_rect);
dst_height = drm_rect_height(&pipe_cfg->dst_rect);
@@ -158,7 +154,7 @@ static void _dpu_plane_calc_bw(struct drm_plane *plane,
vbp = mode->vtotal - mode->vsync_end;
vpw = mode->vsync_end - mode->vsync_start;
vfp = mode->vsync_start - mode->vdisplay;
- hw_latency_lines = dpu_kms->catalog->perf->min_prefill_lines;
+ hw_latency_lines = catalog->perf->min_prefill_lines;
scale_factor = src_height > dst_height ?
mult_frac(src_height, 1, dst_height) : 1;
@@ -178,37 +174,36 @@ static void _dpu_plane_calc_bw(struct drm_plane *plane,
do_div(plane_prefill_bw, hw_latency_lines);
- pstate->plane_fetch_bw = max(plane_bw, plane_prefill_bw);
+ return max(plane_bw, plane_prefill_bw);
}
/**
* _dpu_plane_calc_clk - calculate clock required for a plane
- * @plane: Pointer to drm plane.
+ * @mode: Pointer to drm display mode
* @pipe_cfg: Pointer to pipe configuration
* Result: Updates calculated clock in the plane state.
* Clock equation: dst_w * v_total * fps * (src_h / dst_h)
*/
-static void _dpu_plane_calc_clk(struct drm_plane *plane, struct
dpu_hw_pipe_cfg *pipe_cfg)
+static u64 _dpu_plane_calc_clk(const struct drm_display_mode *mode,
+ struct dpu_hw_pipe_cfg *pipe_cfg)
{
- struct dpu_plane_state *pstate;
- struct drm_display_mode *mode;
int dst_width, src_height, dst_height, fps;
-
- pstate = to_dpu_plane_state(plane->state);
- mode = &plane->state->crtc->mode;
+ u64 plane_clk;
src_height = drm_rect_height(&pipe_cfg->src_rect);
dst_width = drm_rect_width(&pipe_cfg->dst_rect);
dst_height = drm_rect_height(&pipe_cfg->dst_rect);
fps = drm_mode_vrefresh(mode);
- pstate->plane_clk =
+ plane_clk =
dst_width * mode->vtotal * fps;
if (src_height > dst_height) {
- pstate->plane_clk *= src_height;
- do_div(pstate->plane_clk, dst_height);
+ plane_clk *= src_height;
+ do_div(plane_clk, dst_height);
}
+
+ return plane_clk;
}
/**
@@ -1201,9 +1196,9 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane
*plane)
_dpu_plane_set_qos_remap(plane, pipe);
}
- _dpu_plane_calc_bw(plane, fmt, &pstate->pipe_cfg);
+ pstate->plane_fetch_bw = _dpu_plane_calc_bw(pdpu->catalog, fmt,
&crtc->mode, &pstate->pipe_cfg);
- _dpu_plane_calc_clk(plane, &pstate->pipe_cfg);
+ pstate->plane_clk = _dpu_plane_calc_clk(&crtc->mode, &pstate->pipe_cfg);
}
static void _dpu_plane_atomic_disable(struct drm_plane *plane)
--
2.39.0
