diff options
Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0223-drm-amd-display-Add-query_ddc_data-function.patch')
-rw-r--r-- | meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0223-drm-amd-display-Add-query_ddc_data-function.patch | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0223-drm-amd-display-Add-query_ddc_data-function.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0223-drm-amd-display-Add-query_ddc_data-function.patch new file mode 100644 index 00000000..8364ebfd --- /dev/null +++ b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0223-drm-amd-display-Add-query_ddc_data-function.patch @@ -0,0 +1,75 @@ +From e5a175ca146ef849606a2ac804f4e7a25695fd29 Mon Sep 17 00:00:00 2001 +From: Zeyu Fan <Zeyu.Fan@amd.com> +Date: Thu, 16 Feb 2017 16:15:30 -0500 +Subject: [PATCH 0223/4131] drm/amd/display: Add query_ddc_data function + +Signed-off-by: Zeyu Fan <Zeyu.Fan@amd.com> +Reviewed-by: Charlene Liu <Charlene.Liu@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/core/dc.c | 25 +++++++++++++++++++++++++ + drivers/gpu/drm/amd/display/dc/dc.h | 11 ++++++++++- + 2 files changed, 35 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index 84412e7..6516c27 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -1725,6 +1725,31 @@ bool dc_read_dpcd( + return r == DDC_RESULT_SUCESSFULL; + } + ++bool dc_query_ddc_data( ++ struct dc *dc, ++ uint32_t link_index, ++ uint32_t address, ++ uint8_t *write_buf, ++ uint32_t write_size, ++ uint8_t *read_buf, ++ uint32_t read_size) { ++ ++ struct core_dc *core_dc = DC_TO_CORE(dc); ++ ++ struct core_link *link = core_dc->links[link_index]; ++ ++ bool result = dal_ddc_service_query_ddc_data( ++ link->ddc, ++ address, ++ write_buf, ++ write_size, ++ read_buf, ++ read_size); ++ ++ return result; ++} ++ ++ + bool dc_write_dpcd( + struct dc *dc, + uint32_t link_index, +diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h +index 71d7dde..2d84b18 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc.h ++++ b/drivers/gpu/drm/amd/display/dc/dc.h +@@ -720,7 +720,16 @@ bool dc_write_dpcd( + uint32_t link_index, + uint32_t address, + const uint8_t *data, +- uint32_t size); ++ uint32_t size); ++ ++bool dc_query_ddc_data( ++ struct dc *dc, ++ uint32_t link_index, ++ uint32_t address, ++ uint8_t *write_buf, ++ uint32_t write_size, ++ uint8_t *read_buf, ++ uint32_t read_size); + + bool dc_submit_i2c( + struct dc *dc, +-- +2.7.4 + |