* [Intel-gfx] [PATCH 1/7] drm/dsc: use rc_model_size from DSC config for PPS
2020-01-22 13:45 [Intel-gfx] [PATCH 0/7] drm/dsc: fixes and cleanups around rc_model_size Jani Nikula
@ 2020-01-22 13:45 ` Jani Nikula
2020-01-22 13:45 ` [Intel-gfx] [PATCH 2/7] drm/dsc: add helper for calculating rc buffer size from DPCD Jani Nikula
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: Jani Nikula @ 2020-01-22 13:45 UTC (permalink / raw)
To: dri-devel; +Cc: jani.nikula, intel-gfx, Alex Deucher, Harry Wentland
The PPS is supposed to reflect the DSC config instead of hard coding the
rc_model_size. Make it so.
Currently all users of drm_dsc_pps_payload_pack() hard code the size to
8192 also in the DSC config, so this change should have no impact, other
than allowing the drivers to use other sizes as needed.
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/drm_dsc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_dsc.c b/drivers/gpu/drm/drm_dsc.c
index 4a475d9696ff..09afbc01ea94 100644
--- a/drivers/gpu/drm/drm_dsc.c
+++ b/drivers/gpu/drm/drm_dsc.c
@@ -186,8 +186,7 @@ void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_payload,
pps_payload->flatness_max_qp = dsc_cfg->flatness_max_qp;
/* PPS 38, 39 */
- pps_payload->rc_model_size =
- cpu_to_be16(DSC_RC_MODEL_SIZE_CONST);
+ pps_payload->rc_model_size = cpu_to_be16(dsc_cfg->rc_model_size);
/* PPS 40 */
pps_payload->rc_edge_factor = DSC_RC_EDGE_FACTOR_CONST;
--
2.20.1
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^ permalink raw reply related [flat|nested] 9+ messages in thread* [Intel-gfx] [PATCH 2/7] drm/dsc: add helper for calculating rc buffer size from DPCD
2020-01-22 13:45 [Intel-gfx] [PATCH 0/7] drm/dsc: fixes and cleanups around rc_model_size Jani Nikula
2020-01-22 13:45 ` [Intel-gfx] [PATCH 1/7] drm/dsc: use rc_model_size from DSC config for PPS Jani Nikula
@ 2020-01-22 13:45 ` Jani Nikula
2020-01-22 13:45 ` [Intel-gfx] [PATCH 3/7] drm/amd/display: use drm_dsc_dp_rc_buffer_size() to get rc buffer size Jani Nikula
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: Jani Nikula @ 2020-01-22 13:45 UTC (permalink / raw)
To: dri-devel; +Cc: jani.nikula, intel-gfx, Alex Deucher, Harry Wentland
Add a helper for calculating the rc buffer size from the DCPD offsets
DP_DSC_RC_BUF_BLK_SIZE and DP_DSC_RC_BUF_SIZE.
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/drm_dsc.c | 27 +++++++++++++++++++++++++++
include/drm/drm_dsc.h | 1 +
2 files changed, 28 insertions(+)
diff --git a/drivers/gpu/drm/drm_dsc.c b/drivers/gpu/drm/drm_dsc.c
index 09afbc01ea94..ff602f7ec65b 100644
--- a/drivers/gpu/drm/drm_dsc.c
+++ b/drivers/gpu/drm/drm_dsc.c
@@ -49,6 +49,33 @@ void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header)
}
EXPORT_SYMBOL(drm_dsc_dp_pps_header_init);
+/**
+ * drm_dsc_dp_rc_buffer_size - get rc buffer size in bytes
+ * @rc_buffer_block_size: block size code, according to DPCD offset 62h
+ * @rc_buffer_size: number of blocks - 1, according to DPCD offset 63h
+ *
+ * return:
+ * buffer size in bytes, or 0 on invalid input
+ */
+int drm_dsc_dp_rc_buffer_size(u8 rc_buffer_block_size, u8 rc_buffer_size)
+{
+ int size = 1024 * (rc_buffer_size + 1);
+
+ switch (rc_buffer_block_size) {
+ case DP_DSC_RC_BUF_BLK_SIZE_1:
+ return 1 * size;
+ case DP_DSC_RC_BUF_BLK_SIZE_4:
+ return 4 * size;
+ case DP_DSC_RC_BUF_BLK_SIZE_16:
+ return 16 * size;
+ case DP_DSC_RC_BUF_BLK_SIZE_64:
+ return 64 * size;
+ default:
+ return 0;
+ }
+}
+EXPORT_SYMBOL(drm_dsc_dp_rc_buffer_size);
+
/**
* drm_dsc_pps_payload_pack() - Populates the DSC PPS
*
diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h
index 887954cbfc60..537a68330840 100644
--- a/include/drm/drm_dsc.h
+++ b/include/drm/drm_dsc.h
@@ -602,6 +602,7 @@ struct drm_dsc_pps_infoframe {
} __packed;
void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header);
+int drm_dsc_dp_rc_buffer_size(u8 rc_buffer_block_size, u8 rc_buffer_size);
void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_sdp,
const struct drm_dsc_config *dsc_cfg);
int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg);
--
2.20.1
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^ permalink raw reply related [flat|nested] 9+ messages in thread* [Intel-gfx] [PATCH 3/7] drm/amd/display: use drm_dsc_dp_rc_buffer_size() to get rc buffer size
2020-01-22 13:45 [Intel-gfx] [PATCH 0/7] drm/dsc: fixes and cleanups around rc_model_size Jani Nikula
2020-01-22 13:45 ` [Intel-gfx] [PATCH 1/7] drm/dsc: use rc_model_size from DSC config for PPS Jani Nikula
2020-01-22 13:45 ` [Intel-gfx] [PATCH 2/7] drm/dsc: add helper for calculating rc buffer size from DPCD Jani Nikula
@ 2020-01-22 13:45 ` Jani Nikula
2020-01-22 13:45 ` [Intel-gfx] [PATCH 4/7] drm/i915/dsc: configure hardware using specified rc_model_size Jani Nikula
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: Jani Nikula @ 2020-01-22 13:45 UTC (permalink / raw)
To: dri-devel; +Cc: jani.nikula, intel-gfx, Alex Deucher, Harry Wentland
Use the new drm_dsc_dp_rc_buffer_size() helper to simplify rc buffer
size computation. No functional changes.
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c | 37 ++++-----------------
1 file changed, 7 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
index 8b78fcbfe746..6dcfe049e5b8 100644
--- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
+++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
@@ -85,31 +85,6 @@ static uint32_t dc_dsc_bandwidth_in_kbps_from_timing(
}
-static bool dsc_buff_block_size_from_dpcd(int dpcd_buff_block_size, int *buff_block_size)
-{
-
- switch (dpcd_buff_block_size) {
- case DP_DSC_RC_BUF_BLK_SIZE_1:
- *buff_block_size = 1024;
- break;
- case DP_DSC_RC_BUF_BLK_SIZE_4:
- *buff_block_size = 4 * 1024;
- break;
- case DP_DSC_RC_BUF_BLK_SIZE_16:
- *buff_block_size = 16 * 1024;
- break;
- case DP_DSC_RC_BUF_BLK_SIZE_64:
- *buff_block_size = 64 * 1024;
- break;
- default: {
- dm_error("%s: DPCD DSC buffer size not recognized.\n", __func__);
- return false;
- }
- }
-
- return true;
-}
-
static bool dsc_line_buff_depth_from_dpcd(int dpcd_line_buff_bit_depth, int *line_buff_bit_depth)
{
@@ -772,14 +747,16 @@ bool dc_dsc_parse_dsc_dpcd(const struct dc *dc, const uint8_t *dpcd_dsc_basic_da
dsc_sink_caps->dsc_version = dpcd_dsc_basic_data[DP_DSC_REV - DP_DSC_SUPPORT];
{
- int buff_block_size;
- int buff_size;
+ u8 buff_block_size = dpcd_dsc_basic_data[DP_DSC_RC_BUF_BLK_SIZE - DP_DSC_SUPPORT];
+ u8 buff_size = dpcd_dsc_basic_data[DP_DSC_RC_BUF_SIZE - DP_DSC_SUPPORT];
+ int size = drm_dsc_dp_rc_buffer_size(buff_block_size, buff_size);
- if (!dsc_buff_block_size_from_dpcd(dpcd_dsc_basic_data[DP_DSC_RC_BUF_BLK_SIZE - DP_DSC_SUPPORT], &buff_block_size))
+ if (!size) {
+ dm_error("%s: DPCD DSC buffer size not recognized.\n", __func__);
return false;
+ }
- buff_size = dpcd_dsc_basic_data[DP_DSC_RC_BUF_SIZE - DP_DSC_SUPPORT] + 1;
- dsc_sink_caps->rc_buffer_size = buff_size * buff_block_size;
+ dsc_sink_caps->rc_buffer_size = size;
}
dsc_sink_caps->slice_caps1.raw = dpcd_dsc_basic_data[DP_DSC_SLICE_CAP_1 - DP_DSC_SUPPORT];
--
2.20.1
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^ permalink raw reply related [flat|nested] 9+ messages in thread* [Intel-gfx] [PATCH 4/7] drm/i915/dsc: configure hardware using specified rc_model_size
2020-01-22 13:45 [Intel-gfx] [PATCH 0/7] drm/dsc: fixes and cleanups around rc_model_size Jani Nikula
` (2 preceding siblings ...)
2020-01-22 13:45 ` [Intel-gfx] [PATCH 3/7] drm/amd/display: use drm_dsc_dp_rc_buffer_size() to get rc buffer size Jani Nikula
@ 2020-01-22 13:45 ` Jani Nikula
2020-01-22 13:45 ` [Intel-gfx] [PATCH 5/7] drm/i915/dsc: make rc_model_size an encoder defined value Jani Nikula
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: Jani Nikula @ 2020-01-22 13:45 UTC (permalink / raw)
To: dri-devel; +Cc: jani.nikula, intel-gfx, Alex Deucher, Harry Wentland
The rc_model_size is specified in the DSC config, and the hardware
programming should respect that instead of hard coding a value of 8192.
Regardless, the rc_model_size in DSC config is currently hard coded to
the same value, so this should have no impact, other than allowing the
use of other sizes as needed.
Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/i915/display/intel_vdsc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index 9e6aaa302e40..484853deb5d3 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -697,7 +697,7 @@ static void intel_dsc_pps_configure(struct intel_encoder *encoder,
/* Populate PICTURE_PARAMETER_SET_9 registers */
pps_val = 0;
- pps_val |= DSC_RC_MODEL_SIZE(DSC_RC_MODEL_SIZE_CONST) |
+ pps_val |= DSC_RC_MODEL_SIZE(vdsc_cfg->rc_model_size) |
DSC_RC_EDGE_FACTOR(DSC_RC_EDGE_FACTOR_CONST);
DRM_INFO("PPS9 = 0x%08x\n", pps_val);
if (!is_pipe_dsc(crtc_state)) {
--
2.20.1
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^ permalink raw reply related [flat|nested] 9+ messages in thread* [Intel-gfx] [PATCH 5/7] drm/i915/dsc: make rc_model_size an encoder defined value
2020-01-22 13:45 [Intel-gfx] [PATCH 0/7] drm/dsc: fixes and cleanups around rc_model_size Jani Nikula
` (3 preceding siblings ...)
2020-01-22 13:45 ` [Intel-gfx] [PATCH 4/7] drm/i915/dsc: configure hardware using specified rc_model_size Jani Nikula
@ 2020-01-22 13:45 ` Jani Nikula
2020-01-22 13:45 ` [Intel-gfx] [PATCH 6/7] drm/i915/bios: fill in DSC rc_model_size from VBT Jani Nikula
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: Jani Nikula @ 2020-01-22 13:45 UTC (permalink / raw)
To: dri-devel; +Cc: jani.nikula, intel-gfx, Alex Deucher, Harry Wentland
Move the intialization of the rc_model_size from the common code into
encoder code, allowing different encoders to specify the size according
to their needs. Keep using the hard coded value in the encoders for now
to make this a non-functional change.
Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/i915/display/icl_dsi.c | 3 +++
drivers/gpu/drm/i915/display/intel_dp.c | 8 ++++++++
drivers/gpu/drm/i915/display/intel_vdsc.c | 2 --
3 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index a7457303c62e..2ca4b0382eb9 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -1352,6 +1352,9 @@ static int gen11_dsi_dsc_compute_config(struct intel_encoder *encoder,
vdsc_cfg->convert_rgb = true;
+ /* FIXME: initialize from VBT */
+ vdsc_cfg->rc_model_size = DSC_RC_MODEL_SIZE_CONST;
+
ret = intel_dsc_compute_params(encoder, crtc_state);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 748e4614d25a..297e4d309b19 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2034,6 +2034,14 @@ static int intel_dp_dsc_compute_params(struct intel_encoder *encoder,
u8 line_buf_depth;
int ret;
+ /*
+ * RC_MODEL_SIZE is currently a constant across all configurations.
+ *
+ * FIXME: Look into using sink defined DPCD DP_DSC_RC_BUF_BLK_SIZE and
+ * DP_DSC_RC_BUF_SIZE for this.
+ */
+ vdsc_cfg->rc_model_size = DSC_RC_MODEL_SIZE_CONST;
+
ret = intel_dsc_compute_params(encoder, crtc_state);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index 484853deb5d3..b48adb53291f 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -457,8 +457,6 @@ int intel_dsc_compute_params(struct intel_encoder *encoder,
else if (vdsc_cfg->bits_per_component == 12)
vdsc_cfg->mux_word_size = DSC_MUX_WORD_SIZE_12_BPC;
- /* RC_MODEL_SIZE is a constant across all configurations */
- vdsc_cfg->rc_model_size = DSC_RC_MODEL_SIZE_CONST;
/* InitialScaleValue is a 6 bit value with 3 fractional bits (U3.3) */
vdsc_cfg->initial_scale_value = (vdsc_cfg->rc_model_size << 3) /
(vdsc_cfg->rc_model_size - vdsc_cfg->initial_offset);
--
2.20.1
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^ permalink raw reply related [flat|nested] 9+ messages in thread* [Intel-gfx] [PATCH 6/7] drm/i915/bios: fill in DSC rc_model_size from VBT
2020-01-22 13:45 [Intel-gfx] [PATCH 0/7] drm/dsc: fixes and cleanups around rc_model_size Jani Nikula
` (4 preceding siblings ...)
2020-01-22 13:45 ` [Intel-gfx] [PATCH 5/7] drm/i915/dsc: make rc_model_size an encoder defined value Jani Nikula
@ 2020-01-22 13:45 ` Jani Nikula
2020-01-22 13:45 ` [Intel-gfx] [PATCH 7/7] drm/i915/dsi: use VBT data for rc_model_size Jani Nikula
2020-01-22 14:03 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for drm/dsc: fixes and cleanups around rc_model_size Patchwork
7 siblings, 0 replies; 9+ messages in thread
From: Jani Nikula @ 2020-01-22 13:45 UTC (permalink / raw)
To: dri-devel; +Cc: jani.nikula, intel-gfx, Alex Deucher, Harry Wentland
The VBT fields match the DPCD data, so use the same helper.
Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/i915/display/intel_bios.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 70fb87e7afb6..26bcea77efc5 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -2427,16 +2427,11 @@ static void fill_dsc(struct intel_crtc_state *crtc_state,
crtc_state->dsc.slice_count);
/*
- * FIXME: Use VBT rc_buffer_block_size and rc_buffer_size for the
- * implementation specific physical rate buffer size. Currently we use
- * the required rate buffer model size calculated in
- * drm_dsc_compute_rc_parameters() according to VESA DSC Annex E.
- *
* The VBT rc_buffer_block_size and rc_buffer_size definitions
- * correspond to DP 1.4 DPCD offsets 0x62 and 0x63. The DP DSC
- * implementation should also use the DPCD (or perhaps VBT for eDP)
- * provided value for the buffer size.
+ * correspond to DP 1.4 DPCD offsets 0x62 and 0x63.
*/
+ vdsc_cfg->rc_model_size = drm_dsc_dp_rc_buffer_size(dsc->rc_buffer_block_size,
+ dsc->rc_buffer_size);
/* FIXME: DSI spec says bpc + 1 for this one */
vdsc_cfg->line_buf_depth = VBT_DSC_LINE_BUFFER_DEPTH(dsc->line_buffer_depth);
--
2.20.1
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^ permalink raw reply related [flat|nested] 9+ messages in thread* [Intel-gfx] [PATCH 7/7] drm/i915/dsi: use VBT data for rc_model_size
2020-01-22 13:45 [Intel-gfx] [PATCH 0/7] drm/dsc: fixes and cleanups around rc_model_size Jani Nikula
` (5 preceding siblings ...)
2020-01-22 13:45 ` [Intel-gfx] [PATCH 6/7] drm/i915/bios: fill in DSC rc_model_size from VBT Jani Nikula
@ 2020-01-22 13:45 ` Jani Nikula
2020-01-22 14:03 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for drm/dsc: fixes and cleanups around rc_model_size Patchwork
7 siblings, 0 replies; 9+ messages in thread
From: Jani Nikula @ 2020-01-22 13:45 UTC (permalink / raw)
To: dri-devel; +Cc: jani.nikula, intel-gfx, Alex Deucher, Harry Wentland
Stop overriding the VBT defined value for rc_model_size.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/i915/display/icl_dsi.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 2ca4b0382eb9..a7457303c62e 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -1352,9 +1352,6 @@ static int gen11_dsi_dsc_compute_config(struct intel_encoder *encoder,
vdsc_cfg->convert_rgb = true;
- /* FIXME: initialize from VBT */
- vdsc_cfg->rc_model_size = DSC_RC_MODEL_SIZE_CONST;
-
ret = intel_dsc_compute_params(encoder, crtc_state);
if (ret)
return ret;
--
2.20.1
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^ permalink raw reply related [flat|nested] 9+ messages in thread* [Intel-gfx] ✗ Fi.CI.BUILD: failure for drm/dsc: fixes and cleanups around rc_model_size
2020-01-22 13:45 [Intel-gfx] [PATCH 0/7] drm/dsc: fixes and cleanups around rc_model_size Jani Nikula
` (6 preceding siblings ...)
2020-01-22 13:45 ` [Intel-gfx] [PATCH 7/7] drm/i915/dsi: use VBT data for rc_model_size Jani Nikula
@ 2020-01-22 14:03 ` Patchwork
7 siblings, 0 replies; 9+ messages in thread
From: Patchwork @ 2020-01-22 14:03 UTC (permalink / raw)
To: Jani Nikula; +Cc: intel-gfx
== Series Details ==
Series: drm/dsc: fixes and cleanups around rc_model_size
URL : https://patchwork.freedesktop.org/series/72396/
State : failure
== Summary ==
CALL scripts/checksyscalls.sh
CALL scripts/atomic/check-atomics.sh
DESCEND objtool
CHK include/generated/compile.h
CC [M] drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.o
drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c: In function ‘dc_dsc_parse_dsc_dpcd’:
drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:752:14: error: implicit declaration of function ‘drm_dsc_dp_rc_buffer_size’ [-Werror=implicit-function-declaration]
int size = drm_dsc_dp_rc_buffer_size(buff_block_size, buff_size);
^~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
scripts/Makefile.build:265: recipe for target 'drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.o' failed
make[4]: *** [drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.o] Error 1
scripts/Makefile.build:503: recipe for target 'drivers/gpu/drm/amd/amdgpu' failed
make[3]: *** [drivers/gpu/drm/amd/amdgpu] Error 2
scripts/Makefile.build:503: recipe for target 'drivers/gpu/drm' failed
make[2]: *** [drivers/gpu/drm] Error 2
scripts/Makefile.build:503: recipe for target 'drivers/gpu' failed
make[1]: *** [drivers/gpu] Error 2
Makefile:1693: recipe for target 'drivers' failed
make: *** [drivers] Error 2
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