diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0960-drm-amd-display-Warn-instead-of-error-on-REG_WAIT-ti.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0960-drm-amd-display-Warn-instead-of-error-on-REG_WAIT-ti.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0960-drm-amd-display-Warn-instead-of-error-on-REG_WAIT-ti.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0960-drm-amd-display-Warn-instead-of-error-on-REG_WAIT-ti.patch new file mode 100644 index 00000000..7c73f099 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0960-drm-amd-display-Warn-instead-of-error-on-REG_WAIT-ti.patch @@ -0,0 +1,49 @@ +From c50e3b9ca065021468518a439fc7826cc53e9c34 Mon Sep 17 00:00:00 2001 +From: David Francis <David.Francis@amd.com> +Date: Wed, 21 Nov 2018 10:44:07 -0500 +Subject: [PATCH 0960/2940] drm/amd/display: Warn instead of error on REG_WAIT + timeout + +[Why] +DC warns when a REG_WAIT takes a while and full-on errors +with stack dump on REG_WAIT timeout. Most of the time it isn't +a real issue. + +[How] +Make DC cool its jets - taking a while is a debug message (because +it is not something that normal users should need to be aware of), +and timeouts are warnings (because it technically shouldn't +happen, but it's not a big deal if it does) + +Signed-off-by: David Francis <David.Francis@amd.com> +Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dc_helper.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c b/drivers/gpu/drm/amd/display/dc/dc_helper.c +index fcfd50b5dba0..4842d2378bbf 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc_helper.c ++++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c +@@ -234,14 +234,14 @@ uint32_t generic_reg_wait(const struct dc_context *ctx, + if (field_value == condition_value) { + if (i * delay_between_poll_us > 1000 && + !IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) +- dm_output_to_console("REG_WAIT taking a while: %dms in %s line:%d\n", ++ DC_LOG_DC("REG_WAIT taking a while: %dms in %s line:%d\n", + delay_between_poll_us * i / 1000, + func_name, line); + return reg_val; + } + } + +- dm_error("REG_WAIT timeout %dus * %d tries - %s line:%d\n", ++ DC_LOG_WARNING("REG_WAIT timeout %dus * %d tries - %s line:%d\n", + delay_between_poll_us, time_out_num_tries, + func_name, line); + +-- +2.17.1 + |