diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0651-drm-amd-display-Fix-generic_reg_wait-1000ms-case.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0651-drm-amd-display-Fix-generic_reg_wait-1000ms-case.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0651-drm-amd-display-Fix-generic_reg_wait-1000ms-case.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0651-drm-amd-display-Fix-generic_reg_wait-1000ms-case.patch new file mode 100644 index 00000000..35190bfb --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0651-drm-amd-display-Fix-generic_reg_wait-1000ms-case.patch @@ -0,0 +1,35 @@ +From 04af551b2fa8cdc644fc3ce2ff0e814ea00428fa Mon Sep 17 00:00:00 2001 +From: Eric Yang <Eric.Yang2@amd.com> +Date: Sun, 23 Jul 2017 14:17:09 -0400 +Subject: [PATCH 0651/4131] drm/amd/display: Fix generic_reg_wait 1000ms case + +Signed-off-by: Eric Yang <Eric.Yang2@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/dc_helper.c | 7 +++---- + 1 file changed, 3 insertions(+), 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c b/drivers/gpu/drm/amd/display/dc/dc_helper.c +index 87b7f6f..f219bd2 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc_helper.c ++++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c +@@ -143,11 +143,10 @@ uint32_t generic_reg_wait(const struct dc_context *ctx, + + for (i = 0; i <= time_out_num_tries; i++) { + if (i) { +- if (0 < delay_between_poll_us && delay_between_poll_us < 1000) +- udelay(delay_between_poll_us); +- +- if (delay_between_poll_us > 1000) ++ if (delay_between_poll_us >= 1000) + msleep(delay_between_poll_us/1000); ++ else if (delay_between_poll_us > 0) ++ udelay(delay_between_poll_us); + } + + reg_val = dm_read_reg(ctx, addr); +-- +2.7.4 + |