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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" With both review comments by Jani N addressed, Reviewed-by: Swati Sharma Thanks and Regards, Swati -----Original Message----- From: Intel-gfx On Behalf Of Vandita Kulkarni Sent: Thursday, July 8, 2021 7:31 PM To: intel-gfx@lists.freedesktop.org Cc: Nikula, Jani Subject: [Intel-gfx] [v2] drm/i915/display/dsc: Force dsc BPP Set DSC BPP to the value forced through debugfs. It can go from bpc to bpp-1. v2: Use default dsc bpp when we are just doing force_dsc_en, use default dsc bpp for invalid force_dsc_bpp values. (Jani) Signed-off-by: Vandita Kulkarni --- drivers/gpu/drm/i915/display/intel_dp.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 5b52beaddada..c386ef8eb200 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1274,6 +1274,23 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, pipe_config->pipe_bpp); pipe_config->dsc.slice_count = dsc_dp_slice_count; } + + /* As of today we support DSC for only RGB */ + if (intel_dp->force_dsc_bpp) { + if (intel_dp->force_dsc_bpp >= 8 && + intel_dp->force_dsc_bpp < pipe_bpp) { + drm_dbg_kms(&dev_priv->drm, + "DSC BPP forced to %d", + intel_dp->force_dsc_bpp); + pipe_config->dsc.compressed_bpp = + intel_dp->force_dsc_bpp; + } else { + drm_dbg_kms(&dev_priv->drm, + "Invalid DSC BPP %d", + intel_dp->force_dsc_bpp); + } + } + /* * VDSC engine operates at 1 Pixel per clock, so if peak pixel rate * is greater than the maximum Cdclock and if slice count is even -- 2.32.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx