On Mon, May 11, 2015 at 02:35:47PM -0700, Chandra Konduru wrote:
> During check_crtc_state, scaler_id mispatch is being reported for HSW.
> This is applicable for skl+ and not for HSW. It is introduced by
> commit id:
> commit a1b2278e4dfcd2dbea85e319ebf73a6b7b2f180b
> Author: Chandra Konduru <chandra.kond...@intel.com>
> Date: Tue Apr 7 15:28:45 2015 -0700
>
> drm/i915: skylake panel fitting using shared scalers
>
> This patch will make sure that we leave scaler_id as 0 for platforms
> before skl and set for skl+ only. This way scaler_id check during
> check_crtc_state will pass for both prior to skl and skl+ platforms.
>
> v2:
> -Leave scaler_id as 0 for gen < 9 (Daniel)
>
> Signed-off-by: Chandra Konduru <chandra.kond...@intel.com>
> References:
> http://lists.freedesktop.org/archives/intel-gfx/2015-May/065741.html
Queued for -next, thanks for the patch.
-Daniel
> ---
> drivers/gpu/drm/i915/intel_display.c | 16 ++++++++++------
> 1 file changed, 10 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index c297cdc..5c9f358 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -9351,6 +9351,12 @@ static bool haswell_get_pipe_config(struct intel_crtc
> *crtc,
> }
>
> pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe);
> +
> + if (INTEL_INFO(dev)->gen >= 9) {
> + pipe_config->scaler_state.scaler_id = -1;
> + pipe_config->scaler_state.scaler_users &= ~(1 <<
> SKL_CRTC_INDEX);
> + }
> +
> if (intel_display_power_is_enabled(dev_priv, pfit_domain)) {
> if (INTEL_INFO(dev)->gen == 9)
> skylake_get_pfit_config(crtc, pipe_config);
> @@ -9358,10 +9364,6 @@ static bool haswell_get_pipe_config(struct intel_crtc
> *crtc,
> ironlake_get_pfit_config(crtc, pipe_config);
> else
> MISSING_CASE(INTEL_INFO(dev)->gen);
> -
> - } else {
> - pipe_config->scaler_state.scaler_id = -1;
> - pipe_config->scaler_state.scaler_users &= ~(1 <<
> SKL_CRTC_INDEX);
> }
>
> if (IS_HASWELL(dev))
> @@ -13248,8 +13250,8 @@ static struct drm_plane
> *intel_primary_plane_create(struct drm_device *dev,
> primary->max_downscale = 1;
> if (INTEL_INFO(dev)->gen >= 9) {
> primary->can_scale = true;
> + state->scaler_id = -1;
> }
> - state->scaler_id = -1;
> primary->pipe = pipe;
> primary->plane = pipe;
> primary->check_plane = intel_check_primary_plane;
> @@ -13431,7 +13433,6 @@ static struct drm_plane
> *intel_cursor_plane_create(struct drm_device *dev,
> cursor->max_downscale = 1;
> cursor->pipe = pipe;
> cursor->plane = pipe;
> - state->scaler_id = -1;
> cursor->check_plane = intel_check_cursor_plane;
> cursor->commit_plane = intel_commit_cursor_plane;
> cursor->disable_plane = intel_disable_cursor_plane;
> @@ -13454,6 +13455,9 @@ static struct drm_plane
> *intel_cursor_plane_create(struct drm_device *dev,
> state->base.rotation);
> }
>
> + if (INTEL_INFO(dev)->gen >=9)
> + state->scaler_id = -1;
> +
> drm_plane_helper_add(&cursor->base, &intel_plane_helper_funcs);
>
> return &cursor->base;
> --
> 1.7.9.5
>
> _______________________________________________
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> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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