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authorZeyu Fan2017-02-16 22:15:30 +0100
committerAlex Deucher2017-09-26 23:15:22 +0200
commit2b230ea3e76f6238b31fd270cab76d55394f3293 (patch)
treedc087031626d150c63c5e6a14ebf7b3fdbf4cc1a /drivers/gpu/drm/amd/display/dc/dc.h
parentdrm/amd/display: Add bypass case for PQ transfer function (diff)
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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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 71d7dde79ae0..2d84b18f48b0 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,