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authorDaniel Vetter <daniel.vetter@ffwll.ch>2024-07-05 10:35:14 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2024-07-05 10:47:28 +0200
commit86634fa4e6aeff2e190616c304156899beb4d76b (patch)
treed63fd0480e4ad11b9bdf6b653a63464429a63360 /drivers/gpu/drm/amd/display
parent27aec396c48c6407a7586a35d79ac3fe387f2054 (diff)
parent22a40d14b572deb80c0648557f4bd502d7e83826 (diff)
Merge v6.10-rc6 into drm-next
The exynos-next pull is based on a newer -rc than drm-next. hence backmerge first to make sure the unrelated conflicts we accumulated don't end up randomly in the exynos merge pull, but are separated out. Conflicts are all benign: Adjacent changes in amdgpu and fbdev-dma code, and cherry-pick conflict in xe. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/Kconfig2
-rw-r--r--drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c10
-rw-r--r--drivers/gpu/drm/amd/display/include/dpcd_defs.h5
3 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig
index a64f890cbc0b..df17e79c45c7 100644
--- a/drivers/gpu/drm/amd/display/Kconfig
+++ b/drivers/gpu/drm/amd/display/Kconfig
@@ -10,7 +10,7 @@ config DRM_AMD_DC
depends on BROKEN || !CC_IS_CLANG || ARM64 || RISCV || SPARC64 || X86_64
select SND_HDA_COMPONENT if SND_HDA_CORE
# !CC_IS_CLANG: https://github.com/ClangBuiltLinux/linux/issues/1752
- select DRM_AMD_DC_FP if ARCH_HAS_KERNEL_FPU_SUPPORT && (!ARM64 || !CC_IS_CLANG)
+ select DRM_AMD_DC_FP if ARCH_HAS_KERNEL_FPU_SUPPORT && !(CC_IS_CLANG && (ARM64 || RISCV))
help
Choose this option if you want to use the new display engine
support for AMDGPU. This adds required support for Vega and
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
index 00974c50e11f..f1cac74dd7f7 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -1605,9 +1605,17 @@ static bool retrieve_link_cap(struct dc_link *link)
return false;
}
- if (dp_is_lttpr_present(link))
+ if (dp_is_lttpr_present(link)) {
configure_lttpr_mode_transparent(link);
+ // Echo TOTAL_LTTPR_CNT back downstream
+ core_link_write_dpcd(
+ link,
+ DP_TOTAL_LTTPR_CNT,
+ &link->dpcd_caps.lttpr_caps.phy_repeater_cnt,
+ sizeof(link->dpcd_caps.lttpr_caps.phy_repeater_cnt));
+ }
+
/* Read DP tunneling information. */
status = dpcd_get_tunneling_device_data(link);
diff --git a/drivers/gpu/drm/amd/display/include/dpcd_defs.h b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
index 914f28e9f224..aee5170f5fb2 100644
--- a/drivers/gpu/drm/amd/display/include/dpcd_defs.h
+++ b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
@@ -177,4 +177,9 @@ enum dpcd_psr_sink_states {
#define DP_SINK_PR_PIXEL_DEVIATION_PER_LINE 0x379
#define DP_SINK_PR_MAX_NUMBER_OF_DEVIATION_LINE 0x37A
+/* Remove once drm_dp_helper.h is updated upstream */
+#ifndef DP_TOTAL_LTTPR_CNT
+#define DP_TOTAL_LTTPR_CNT 0xF000A /* 2.1 */
+#endif
+
#endif /* __DAL_DPCD_DEFS_H__ */