From: Matt Roper <[email protected]> Xe3 makes a couple minor tweaks to the watermark algorithm's block count calculations.
Bspec: 68985 Signed-off-by: Matt Roper <[email protected]> Signed-off-by: Matt Atwood <[email protected]> --- drivers/gpu/drm/i915/display/skl_watermark.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c index 6e1f04d5ef47..31de33e868df 100644 --- a/drivers/gpu/drm/i915/display/skl_watermark.c +++ b/drivers/gpu/drm/i915/display/skl_watermark.c @@ -718,7 +718,7 @@ static int skl_compute_wm_params(const struct intel_crtc_state *crtc_state, int width, const struct drm_format_info *format, u64 modifier, unsigned int rotation, u32 plane_pixel_rate, struct skl_wm_params *wp, - int color_plane); + int color_plane, unsigned int pan_x); static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state, struct intel_plane *plane, @@ -765,7 +765,7 @@ skl_cursor_allocation(const struct intel_crtc_state *crtc_state, drm_format_info(DRM_FORMAT_ARGB8888), DRM_FORMAT_MOD_LINEAR, DRM_MODE_ROTATE_0, - crtc_state->pixel_rate, &wp, 0); + crtc_state->pixel_rate, &wp, 0, 0); drm_WARN_ON(&i915->drm, ret); for (level = 0; level < i915->display.wm.num_levels; level++) { @@ -1742,7 +1742,7 @@ skl_compute_wm_params(const struct intel_crtc_state *crtc_state, int width, const struct drm_format_info *format, u64 modifier, unsigned int rotation, u32 plane_pixel_rate, struct skl_wm_params *wp, - int color_plane) + int color_plane, unsigned int pan_x) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *i915 = to_i915(crtc->base.dev); @@ -1803,7 +1803,9 @@ skl_compute_wm_params(const struct intel_crtc_state *crtc_state, wp->y_min_scanlines, wp->dbuf_block_size); - if (DISPLAY_VER(i915) >= 10) + if (DISPLAY_VER(i915) >= 30) + interm_pbpl += (pan_x != 0); + else if (DISPLAY_VER(i915) >= 10) interm_pbpl++; wp->plane_blocks_per_line = div_fixed16(interm_pbpl, @@ -1845,7 +1847,8 @@ skl_compute_plane_wm_params(const struct intel_crtc_state *crtc_state, fb->format, fb->modifier, plane_state->hw.rotation, intel_plane_pixel_rate(crtc_state, plane_state), - wp, color_plane); + wp, color_plane, + plane_state->uapi.src.x1); } static bool skl_wm_has_lines(struct drm_i915_private *i915, int level) @@ -1909,7 +1912,10 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state, } } - blocks = fixed16_to_u32_round_up(selected_result) + 1; + blocks = fixed16_to_u32_round_up(selected_result); + if (DISPLAY_VER(i915) < 30) + blocks++; + /* * Lets have blocks at minimum equivalent to plane_blocks_per_line * as there will be at minimum one line for lines configuration. This -- 2.45.0
