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path: root/drivers/gpu/drm/amd/display/dc/gpio/dcn32
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2023-01-17drm/amd/display: fix mapping to non-allocated addressBrandon Syu
[Why] There is an issue mapping non-allocated location of memory. It would allocate gpio registers from an array out of bounds. [How] Patch correct numbers of bounds for using. Tested-by: Daniel Wheeler <Daniel.Wheeler@amd.com> Reviewed-by: Martin Leung <Martin.Leung@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Brandon Syu <Brandon.Syu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-12-06drm/amd/display: read invalid ddc pin status cause engine busyPaul Hsieh
[Why] There is no DDC_6 pin on new asic cause the mapping table is incorrect. When app try to access DDC_VGA port, driver read an invalid ddc pin status and report engine busy. [How] Add dummy DDC_6 pin to align gpio structure. Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com> Acked-by: Stylon Wang <stylon.wang@amd.com> Signed-off-by: Paul Hsieh <Paul.Hsieh@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-11-09drm/amd/display: Fix gpio port mapping issueSteve Su
[Why] 1. Port of gpio has different mapping. [How] 1. Add a dummy entry in mapping table. 2. Fix incorrect mask bit field access. Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com> Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Steve Su <steve.su@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-06-03drm/amd/display: add GPIO changes for DCN32/321Aurabindo Pillai
Add support for the GPIO changes for DCN3.2.x. Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>