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From: Matt Roper <matthew.d.roper@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH 13/18] drm/i915/display/dsc: Refactor intel_dp_dsc_compute_bpp
Date: Thu, 28 Jan 2021 11:24:08 -0800	[thread overview]
Message-ID: <20210128192413.1715802-14-matthew.d.roper@intel.com> (raw)
In-Reply-To: <20210128192413.1715802-1-matthew.d.roper@intel.com>

From: Vandita Kulkarni <vandita.kulkarni@intel.com>

Move the platform specific max bpc calculation into
intel_dp_dsc_compute_bpp function

Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 8c12d5375607..a531103fb0b5 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1212,10 +1212,18 @@ intel_dp_compute_link_config_fast(struct intel_dp *intel_dp,
 	return -EINVAL;
 }
 
-static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc)
+static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 max_req_bpc)
 {
+	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
 	int i, num_bpc;
 	u8 dsc_bpc[3] = {0};
+	u8 dsc_max_bpc;
+
+	/* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */
+	if (INTEL_GEN(i915) >= 12)
+		dsc_max_bpc = min_t(u8, 12, max_req_bpc);
+	else
+		dsc_max_bpc = min_t(u8, 10, max_req_bpc);
 
 	num_bpc = drm_dp_dsc_sink_supported_input_bpcs(intel_dp->dsc_dpcd,
 						       dsc_bpc);
@@ -1303,7 +1311,6 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 	struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
 	const struct drm_display_mode *adjusted_mode =
 		&pipe_config->hw.adjusted_mode;
-	u8 dsc_max_bpc;
 	int pipe_bpp;
 	int ret;
 
@@ -1313,14 +1320,7 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 	if (!intel_dp_supports_dsc(intel_dp, pipe_config))
 		return -EINVAL;
 
-	/* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */
-	if (INTEL_GEN(dev_priv) >= 12)
-		dsc_max_bpc = min_t(u8, 12, conn_state->max_requested_bpc);
-	else
-		dsc_max_bpc = min_t(u8, 10,
-				    conn_state->max_requested_bpc);
-
-	pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, dsc_max_bpc);
+	pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, conn_state->max_requested_bpc);
 
 	/* Min Input BPC for ICL+ is 8 */
 	if (pipe_bpp < 8 * 3) {
-- 
2.25.4

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  parent reply	other threads:[~2021-01-28 19:24 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-28 19:23 [Intel-gfx] [PATCH 00/18] Preliminary Display13 support Matt Roper
2021-01-28 19:23 ` [Intel-gfx] [PATCH 01/18] drm/i915/display13: add Display13 characteristics Matt Roper
2021-02-11  0:03   ` Lucas De Marchi
2021-01-28 19:23 ` [Intel-gfx] [PATCH 02/18] drm/i915/display13: Handle proper AUX interrupt bits Matt Roper
2021-02-11  0:10   ` Lucas De Marchi
2021-01-28 19:23 ` [Intel-gfx] [PATCH 03/18] drm/i915/display13: Enhanced pipe underrun reporting Matt Roper
2021-02-11  0:31   ` Lucas De Marchi
2021-02-11 12:25   ` Ville Syrjälä
2021-01-28 19:23 ` [Intel-gfx] [PATCH 04/18] drm/i915/display13: Define plane capabilities Matt Roper
2021-02-11  1:05   ` Lucas De Marchi
2021-01-28 19:24 ` [Intel-gfx] [PATCH 05/18] drm/i915/display13: Support 128k plane stride Matt Roper
2021-02-11  1:17   ` Lucas De Marchi
2021-01-28 19:24 ` [Intel-gfx] [PATCH 06/18] drm/i915/display13: Only enable legacy gamma for now Matt Roper
2021-02-11  1:19   ` Lucas De Marchi
2021-01-28 19:24 ` [Intel-gfx] [PATCH 07/18] drm/i915/display13: Add Display13 power wells Matt Roper
2021-02-11  1:33   ` Lucas De Marchi
2021-01-28 19:24 ` [Intel-gfx] [PATCH 08/18] drm/i915/display13: Handle LPSP for Display 13 Matt Roper
2021-02-11  1:36   ` Lucas De Marchi
2021-01-28 19:24 ` [Intel-gfx] [PATCH 09/18] drm/i915/display13: Handle new location of outputs D and E Matt Roper
2021-01-28 19:24 ` [Intel-gfx] [PATCH 10/18] drm/i915/display13: Increase maximum watermark lines to 255 Matt Roper
2021-01-28 19:24 ` [Intel-gfx] [PATCH 11/18] drm/i915/display13: Required bandwidth increases when VT-d is active Matt Roper
2021-01-28 19:24 ` [Intel-gfx] [PATCH 12/18] drm/i915/display13: Add Wa_14011503030:d13 Matt Roper
2021-01-28 19:24 ` Matt Roper [this message]
2021-01-28 19:24 ` [Intel-gfx] [PATCH 14/18] drm/i915/display13: Support DP1.4 compression BPPs Matt Roper
2021-01-28 19:24 ` [Intel-gfx] [PATCH 15/18] drm/i915/display13: Get slice height before computing rc params Matt Roper
2021-01-28 19:24 ` [Intel-gfx] [PATCH 16/18] drm/i915/display13: Calculate VDSC RC parameters Matt Roper
2021-01-28 19:24 ` [Intel-gfx] [PATCH 17/18] drm/i915/display13: Add rc_qp_table for rcparams calculation Matt Roper
2021-01-29 11:12   ` Jani Nikula
2021-01-29 11:15     ` Chris Wilson
2021-01-29 12:01       ` Jani Nikula
2021-02-10 22:24         ` Lucas De Marchi
2021-01-28 19:24 ` [Intel-gfx] [PATCH 18/18] drm/i915/display13: Enabling dithering after the CC1 pipe Matt Roper
2021-02-11 12:29   ` Ville Syrjälä
2021-02-19  3:22     ` Mario Kleiner
2021-02-19  5:44       ` Mario Kleiner
2021-03-01  4:57         ` Varide, Nischal
2021-03-01  5:43           ` Ilia Mirkin
2021-01-28 19:25 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Preliminary Display13 support Patchwork

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