diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2393-drm-amd-display-dc-drop-dm_delay_in_microseconds.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2393-drm-amd-display-dc-drop-dm_delay_in_microseconds.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2393-drm-amd-display-dc-drop-dm_delay_in_microseconds.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2393-drm-amd-display-dc-drop-dm_delay_in_microseconds.patch new file mode 100644 index 00000000..6100114e --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2393-drm-amd-display-dc-drop-dm_delay_in_microseconds.patch @@ -0,0 +1,76 @@ +From a7e23cff3a154547d78ffeae4bd9afdee39025f5 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Wed, 11 Oct 2017 12:42:30 -0400 +Subject: [PATCH 2393/4131] drm/amd/display/dc: drop dm_delay_in_microseconds + +Use udelay directly. + +Reviewed-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 4 ++-- + drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c | 4 ++-- + drivers/gpu/drm/amd/display/dc/dm_services.h | 3 --- + 3 files changed, 4 insertions(+), 7 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +index 3427fb5..b30319f 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +@@ -127,7 +127,7 @@ bool edp_receiver_ready_T9(struct dc_link *link) + break; + if (result != DC_OK) + break; +- dm_delay_in_microseconds(link->ctx, 100); //MAx T9 ++ udelay(100); //MAx T9 + } while (++tries < 50); + return result; + } +@@ -271,7 +271,7 @@ void dp_retrain_link_dp_test(struct dc_link *link, + pipes[i].stream->sink->link != NULL && + pipes[i].stream_res.stream_enc != NULL && + pipes[i].stream->sink->link == link) { +- dm_delay_in_microseconds(link->ctx, 100); ++ udelay(100); + + pipes[i].stream_res.stream_enc->funcs->dp_blank( + pipes[i].stream_res.stream_enc); +diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c +index 313f61b..002db8c 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c ++++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c +@@ -137,7 +137,7 @@ static void dce_dmcu_set_psr_enable(struct dmcu *dmcu, bool enable, bool wait) + if (psr_state == 0) + break; + } +- dm_delay_in_microseconds(dmcu->ctx, 10); ++ udelay(10); + } + } + } +@@ -378,7 +378,7 @@ static void dcn10_dmcu_set_psr_enable(struct dmcu *dmcu, bool enable, bool wait) + if (psr_state == 0) + break; + } +- dm_delay_in_microseconds(dmcu->ctx, 500); ++ udelay(500); + } + + /* assert if max retry hit */ +diff --git a/drivers/gpu/drm/amd/display/dc/dm_services.h b/drivers/gpu/drm/amd/display/dc/dm_services.h +index 8ab0af6..e94da74 100644 +--- a/drivers/gpu/drm/amd/display/dc/dm_services.h ++++ b/drivers/gpu/drm/amd/display/dc/dm_services.h +@@ -445,9 +445,6 @@ bool dm_read_persistent_data(struct dc_context *ctx, + unsigned int size, + struct persistent_data_flag *flag); + +-void dm_delay_in_microseconds +- (struct dc_context *ctx, unsigned int microSeconds); +- + bool dm_query_extended_brightness_caps + (struct dc_context *ctx, enum dm_acpi_display_type display, + struct dm_acpi_atif_backlight_caps *pCaps); +-- +2.7.4 + |