mirror of https://gitee.com/openkylin/linux.git
drm/i915/dp: Fix DSC enable code to use cpu_transcoder instead of encoder->type
This patch fixes the intel_configure_pps_for_dsc_encoder() function to use cpu_transcoder instead of encoder->type to select the correct DSC registers that was wrongly used in the original patch for one DSC register isntance. Fixes:7182414e25
("drm/i915/dp: Configure i915 Picture parameter Set registers during DSC enabling") Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: <stable@vger.kernel.org> # v5.0+ Signed-off-by: Manasi Navare <manasi.d.navare@intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190821215950.24223-1-manasi.d.navare@intel.com (cherry picked from commitd4c61c4a16
) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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@ -541,7 +541,7 @@ static void intel_configure_pps_for_dsc_encoder(struct intel_encoder *encoder,
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pps_val |= DSC_PIC_HEIGHT(vdsc_cfg->pic_height) |
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DSC_PIC_WIDTH(vdsc_cfg->pic_width / num_vdsc_instances);
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DRM_INFO("PPS2 = 0x%08x\n", pps_val);
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if (encoder->type == INTEL_OUTPUT_EDP) {
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if (cpu_transcoder == TRANSCODER_EDP) {
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I915_WRITE(DSCA_PICTURE_PARAMETER_SET_2, pps_val);
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/*
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* If 2 VDSC instances are needed, configure PPS for second
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