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drm/i915: Fix pipe config mismatch for bpp, output format

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Read back the pixel fomrat register and get the bpp.

v2: Read the PIPE_MISC register (Jani).

Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1556809862-31203-3-git-send-email-vandita.kulkarni@intel.com
This commit is contained in:
Vandita Kulkarni 2019-05-02 20:41:01 +05:30 committed by Jani Nikula
parent 8ae897435f
commit 30bd7efdf6
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/icl_dsi.c
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@ -1206,6 +1206,7 @@ static void gen11_dsi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config) struct intel_crtc_state *pipe_config)
{ {
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_crtc *crtc = to_intel_crtc(pipe_config->base.crtc);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
/* FIXME: adapt icl_ddi_clock_get() for DSI and use that? */ /* FIXME: adapt icl_ddi_clock_get() for DSI and use that? */
@ -1214,6 +1215,7 @@ static void gen11_dsi_get_config(struct intel_encoder *encoder,
pipe_config->base.adjusted_mode.crtc_clock = intel_dsi->pclk; pipe_config->base.adjusted_mode.crtc_clock = intel_dsi->pclk;
gen11_dsi_get_timings(encoder, pipe_config); gen11_dsi_get_timings(encoder, pipe_config);
pipe_config->output_types |= BIT(INTEL_OUTPUT_DSI); pipe_config->output_types |= BIT(INTEL_OUTPUT_DSI);
pipe_config->pipe_bpp = bdw_get_pipemisc_bpp(crtc);
} }
static int gen11_dsi_compute_config(struct intel_encoder *encoder, static int gen11_dsi_compute_config(struct intel_encoder *encoder,
@ -1229,6 +1231,7 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder,
struct drm_display_mode *adjusted_mode = struct drm_display_mode *adjusted_mode =
&pipe_config->base.adjusted_mode; &pipe_config->base.adjusted_mode;
pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
intel_fixed_panel_mode(fixed_mode, adjusted_mode); intel_fixed_panel_mode(fixed_mode, adjusted_mode);
intel_pch_panel_fitting(crtc, pipe_config, conn_state->scaling_mode); intel_pch_panel_fitting(crtc, pipe_config, conn_state->scaling_mode);