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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0745-drm-amd-display-Fix-hw-state-logging-regression.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0745-drm-amd-display-Fix-hw-state-logging-regression.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0745-drm-amd-display-Fix-hw-state-logging-regression.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0745-drm-amd-display-Fix-hw-state-logging-regression.patch
new file mode 100644
index 00000000..eaa78cfb
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0745-drm-amd-display-Fix-hw-state-logging-regression.patch
@@ -0,0 +1,39 @@
+From f381c919380156eb6094faa33733a0ba3c71d290 Mon Sep 17 00:00:00 2001
+From: Corbin McElhanney <corbin.mcelhanney@amd.com>
+Date: Fri, 4 Aug 2017 15:30:45 -0400
+Subject: [PATCH 0745/4131] drm/amd/display: Fix hw state logging regression
+
+Signed-off-by: Corbin McElhanney <corbin.mcelhanney@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+index 292dfef..2fd9c33 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+@@ -134,6 +134,7 @@ static void verify_allow_pstate_change_high(
+ static unsigned int pstate_wait_timeout_us = 40;
+ static unsigned int max_sampled_pstate_wait_us; /* data collection */
+ static bool forced_pstate_allow; /* help with revert wa */
++ static bool should_log_hw_state; /* prevent hw state log by default */
+
+ unsigned int debug_index = 0x7;
+ unsigned int debug_data;
+@@ -191,7 +192,9 @@ static void verify_allow_pstate_change_high(
+ REG_WRITE(DCHUBBUB_ARB_DRAM_STATE_CNTL, force_allow_pstate);
+ forced_pstate_allow = true;
+
+- dcn10_log_hw_state(DC_TO_CORE(hws->ctx->dc));
++ if (should_log_hw_state) {
++ dcn10_log_hw_state(DC_TO_CORE(hws->ctx->dc));
++ }
+
+ BREAK_TO_DEBUGGER();
+ }
+--
+2.7.4
+