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authorThierry Reding <treding@nvidia.com>2017-03-13 16:53:59 +0530
committerJani Nikula <jani.nikula@intel.com>2017-03-21 10:15:39 +0200
commit3ad33ae2bc800496e979b9f7920a57835740083d (patch)
treea7979c730fb76efef23e5df960c451b818becf1b /Documentation/gpu
parent9aa1eca095579b8a8ea84d9bbd1fbdeff49cebd4 (diff)
downloadlinux-3ad33ae2bc800496e979b9f7920a57835740083d.tar.bz2
drm: Add SCDC helpers
SCDC is a mechanism defined in the HDMI 2.0 specification that allows the source and sink devices to communicate. This commit introduces helpers to access the SCDC and provides the symbolic names for the various registers defined in the specification. V2: Rebase. V3: Added R-B from Jose. V4: Rebase V5: Addressed review comments from Ville - Handle the I2c return values in a better way (dp_dual_mode) - Make the macros for SCDC Major/Minor more readable, by adding a 'GET' in the macro names V6: Rebase V7: Rebase V8: Rebase V9: Rebase V10: Rebase Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Shashank Sharma <shashank.sharma@intel.com> Reviewed-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1489404244-16608-2-git-send-email-shashank.sharma@intel.com
Diffstat (limited to 'Documentation/gpu')
-rw-r--r--Documentation/gpu/drm-kms-helpers.rst12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/gpu/drm-kms-helpers.rst b/Documentation/gpu/drm-kms-helpers.rst
index ac53c0b893f6..c075aadd7078 100644
--- a/Documentation/gpu/drm-kms-helpers.rst
+++ b/Documentation/gpu/drm-kms-helpers.rst
@@ -223,6 +223,18 @@ EDID Helper Functions Reference
.. kernel-doc:: drivers/gpu/drm/drm_edid.c
:export:
+SCDC Helper Functions Reference
+===============================
+
+.. kernel-doc:: drivers/gpu/drm/drm_scdc_helper.c
+ :doc: scdc helpers
+
+.. kernel-doc:: include/drm/drm_scdc_helper.h
+ :internal:
+
+.. kernel-doc:: drivers/gpu/drm/drm_scdc_helper.c
+ :export:
+
Rectangle Utilities Reference
=============================