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From: Manasi Navare <manasi.d.navare@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH v11 01/12] HAX to make DSC work on the icelake test system
Date: Wed, 21 Oct 2020 22:42:12 -0700	[thread overview]
Message-ID: <20201022054223.25071-2-manasi.d.navare@intel.com> (raw)
In-Reply-To: <20201022054223.25071-1-manasi.d.navare@intel.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

DSC is available on the display emulator, but not set in DPCD.
Override the entries to allow bigjoiner testing.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
 drivers/gpu/drm/drm_dp_helper.c | 4 ++--
 include/drm/drm_dp_helper.h     | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index 14ddf28ecac0..945c752eac2b 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -2065,7 +2065,7 @@ u8 drm_dp_dsc_sink_max_slice_count(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
 		if (slice_cap1 & DP_DSC_4_PER_DP_DSC_SINK)
 			return 4;
 		if (slice_cap1 & DP_DSC_2_PER_DP_DSC_SINK)
-			return 2;
+			return 4;
 		if (slice_cap1 & DP_DSC_1_PER_DP_DSC_SINK)
 			return 1;
 	} else {
@@ -2089,7 +2089,7 @@ u8 drm_dp_dsc_sink_max_slice_count(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
 		if (slice_cap1 & DP_DSC_4_PER_DP_DSC_SINK)
 			return 4;
 		if (slice_cap1 & DP_DSC_2_PER_DP_DSC_SINK)
-			return 2;
+			return 4;
 		if (slice_cap1 & DP_DSC_1_PER_DP_DSC_SINK)
 			return 1;
 	}
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index f55a9d1320ca..ff30cc240e19 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -1549,6 +1549,7 @@ int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpc[DP_DSC_RECEIVER_CAP_SI
 static inline bool
 drm_dp_sink_supports_dsc(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
 {
+	return dsc_dpcd[DP_DSC_REV - DP_DSC_SUPPORT];
 	return dsc_dpcd[DP_DSC_SUPPORT - DP_DSC_SUPPORT] &
 		DP_DSC_DECOMPRESSION_IS_SUPPORTED;
 }
-- 
2.19.1

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  reply	other threads:[~2020-10-22  5:40 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-22  5:42 [Intel-gfx] [PATCH v11 00/12] Big joiner enabling Manasi Navare
2020-10-22  5:42 ` Manasi Navare [this message]
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 02/12] drm/i915: Add hw.pipe_mode to allow bigjoiner pipe/transcoder split Manasi Navare
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 03/12] drm/i915/dp: Some reshuffling in mode_valid as prep for bigjoiner modes Manasi Navare
2020-10-23 17:17   ` Ville Syrjälä
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 04/12] drm/i915/dp: Allow big joiner modes in intel_dp_mode_valid(), v3 Manasi Navare
2020-10-23 17:32   ` Ville Syrjälä
2020-10-23 18:30     ` Navare, Manasi
2020-10-23 18:44       ` Ville Syrjälä
2020-10-26 23:47         ` Navare, Manasi
2020-10-27  5:50   ` [Intel-gfx] [PATCH v12 " Manasi Navare
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 05/12] drm/i915/dp: Prep for bigjoiner atomic check Manasi Navare
2020-10-27  5:50   ` [Intel-gfx] [PATCH v12 " Manasi Navare
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 06/12] drm/i915: Try to make bigjoiner work in " Manasi Navare
2020-10-23 17:42   ` Ville Syrjälä
2020-10-23 18:13     ` Navare, Manasi
2020-10-23 18:30       ` Ville Syrjälä
2020-10-27  5:50   ` [Intel-gfx] [PATCH v12 " Manasi Navare
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 07/12] drm/i915/dp: Modify VDSC helpers to configure DSC for Bigjoiner slave Manasi Navare
2020-10-26 21:56   ` Navare, Manasi
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 08/12] drm/i915/dp: Master/Slave enable/disable sequence for bigjoiner Manasi Navare
2020-10-23  7:57   ` Dan Carpenter
2020-10-26 21:57   ` Navare, Manasi
2020-10-27  5:50   ` [Intel-gfx] [PATCH v12 " Manasi Navare
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 09/12] drm/i915: HW state readout for Bigjoiner case Manasi Navare
2020-10-23 18:00   ` Ville Syrjälä
2020-10-26 22:33     ` Navare, Manasi
2020-10-27 13:39       ` Ville Syrjälä
2020-10-27 18:11         ` Navare, Manasi
2020-10-26 22:29   ` Navare, Manasi
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 10/12] drm/i915: Link planes in a bigjoiner configuration, v3 Manasi Navare
2020-10-26 20:18   ` Ville Syrjälä
2020-10-26 22:34     ` Navare, Manasi
2020-10-26 22:41     ` Navare, Manasi
2020-10-27 13:42       ` Ville Syrjälä
2020-10-27 18:19         ` Navare, Manasi
2020-10-27 19:11           ` Ville Syrjälä
2020-10-28 12:26             ` Maarten Lankhorst
2020-10-28 13:04               ` Ville Syrjälä
2020-10-28 22:15                 ` Navare, Manasi
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 11/12] drm/i915: Add bigjoiner aware plane clipping checks Manasi Navare
2020-10-22  5:42 ` [Intel-gfx] [PATCH v11 12/12] drm/i915: Add debugfs dumping for bigjoiner, v3 Manasi Navare
2020-10-22  6:01 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Big joiner enabling Patchwork
2020-10-22  6:03 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-10-22  6:26 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-10-22  8:09 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2020-10-28  0:28 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Big joiner enabling (rev5) Patchwork

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