[AMD Official Use Only] > -----Original Message----- > From: Harry Wentland <harry.wentl...@amd.com> > Sent: September 28, 2021 1:08 PM > To: Deucher, Alexander <alexander.deuc...@amd.com>; amd- > g...@lists.freedesktop.org; Zuo, Jerry <jerry....@amd.com> > Cc: jani.nik...@intel.com; Li, Sun peng (Leo) <sunpeng...@amd.com>; > nat...@kernel.org; intel-gfx@lists.freedesktop.org; dri- > de...@lists.freedesktop.org; ville.syrj...@linux.intel.com; > manasi.d.nav...@intel.com; Koenig, Christian <christian.koe...@amd.com>; > Pan, Xinhui <xinhui....@amd.com>; s...@canb.auug.org.au; linux- > n...@vger.kernel.org; airl...@gmail.com; daniel.vet...@ffwll.ch; Wentland, > Harry <harry.wentl...@amd.com> > Subject: [PATCH v2] drm/amd/display: Only define DP 2.0 symbols if not > already defined > > [Why] > For some reason we're defining DP 2.0 definitions inside our driver. Now that > patches to introduce relevant definitions are slated to be merged into drm- > next this is causing conflicts. > > In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c:33: > In file included > from ./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:70: > In file included > from ./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu_mode.h:36: > ./include/drm/drm_dp_helper.h:1322:9: error: > 'DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER' macro redefined [- > Werror,-Wmacro-redefined] > ^ > ./drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dp_types.h:881:9: note: > previous definition is here > ^ > 1 error generated. > > v2: Add one missing endif > > [How] > Guard all display driver defines with #ifndef for now. Once we pull in the new > definitions into amd-staging-drm-next we will follow up and drop definitions > from our driver and provide follow-up header updates for any addition DP > 2.0 definitions required by our driver. > > Signed-off-by: Harry Wentland <harry.wentl...@amd.com>
Reviewed-by: Fangzhi Zuo <jerry....@amd.com> > --- > drivers/gpu/drm/amd/display/dc/dc_dp_types.h | 54 > ++++++++++++++++++-- > 1 file changed, 49 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h > b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h > index a5e798b5da79..9de86ff5ef1b 100644 > --- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h > +++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h > @@ -860,28 +860,72 @@ struct psr_caps { > }; > > #if defined(CONFIG_DRM_AMD_DC_DCN) > +#ifndef DP_MAIN_LINK_CHANNEL_CODING_CAP > #define DP_MAIN_LINK_CHANNEL_CODING_CAP 0x006 > +#endif > +#ifndef DP_SINK_VIDEO_FALLBACK_FORMATS > #define DP_SINK_VIDEO_FALLBACK_FORMATS 0x020 > +#endif > +#ifndef DP_FEC_CAPABILITY_1 > #define DP_FEC_CAPABILITY_1 0x091 > +#endif > +#ifndef DP_DFP_CAPABILITY_EXTENSION_SUPPORT > #define DP_DFP_CAPABILITY_EXTENSION_SUPPORT 0x0A3 > +#endif > +#ifndef DP_DSC_CONFIGURATION > #define DP_DSC_CONFIGURATION 0x161 > +#endif > +#ifndef DP_PHY_SQUARE_PATTERN > #define DP_PHY_SQUARE_PATTERN 0x249 > +#endif > +#ifndef DP_128b_132b_SUPPORTED_LINK_RATES > #define DP_128b_132b_SUPPORTED_LINK_RATES 0x2215 > +#endif > +#ifndef DP_128b_132b_TRAINING_AUX_RD_INTERVAL > #define DP_128b_132b_TRAINING_AUX_RD_INTERVAL > 0x2216 > +#endif > +#ifndef DP_TEST_264BIT_CUSTOM_PATTERN_7_0 > #define DP_TEST_264BIT_CUSTOM_PATTERN_7_0 0X2230 > +#endif > +#ifndef DP_TEST_264BIT_CUSTOM_PATTERN_263_256 > #define DP_TEST_264BIT_CUSTOM_PATTERN_263_256 > 0X2250 > +#endif > +#ifndef DP_DSC_SUPPORT_AND_DECODER_COUNT > #define DP_DSC_SUPPORT_AND_DECODER_COUNT 0x2260 > +#endif > +#ifndef DP_DSC_MAX_SLICE_COUNT_AND_AGGREGATION_0 > #define DP_DSC_MAX_SLICE_COUNT_AND_AGGREGATION_0 > 0x2270 > -# define DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK (1 << > 0) > -# define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK > (0b111 << 1) > -# define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT 1 > -# define DP_DSC_DECODER_COUNT_MASK (0b111 << 5) > -# define DP_DSC_DECODER_COUNT_SHIFT 5 > +#endif > +#ifndef DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK > +#define DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK (1 << > 0) > +#endif > +#ifndef DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK > +#define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK > (0b111 << 1) > +#endif > +#ifndef DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT > +#define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT 1 > +#endif > +#ifndef DP_DSC_DECODER_COUNT_MASK > +#define DP_DSC_DECODER_COUNT_MASK (0b111 << 5) > +#endif > +#ifndef DP_DSC_DECODER_COUNT_SHIFT > +#define DP_DSC_DECODER_COUNT_SHIFT 5 > +#endif > +#ifndef DP_MAIN_LINK_CHANNEL_CODING_SET > #define DP_MAIN_LINK_CHANNEL_CODING_SET 0x108 > +#endif > +#ifndef DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER > #define DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER 0xF0006 > +#endif > +#ifndef DP_PHY_REPEATER_128b_132b_RATES > #define DP_PHY_REPEATER_128b_132b_RATES > 0xF0007 > +#endif > +#ifndef DP_128b_132b_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1 > #define DP_128b_132b_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1 > 0xF0022 > +#endif > +#ifndef DP_INTRA_HOP_AUX_REPLY_INDICATION > #define DP_INTRA_HOP_AUX_REPLY_INDICATION (1 << 3) > +#endif > /* TODO - Use DRM header to replace above once available */ > > union dp_main_line_channel_coding_cap { > -- > 2.33.0