dasharo/linux
0
0
Fork 0
mirror of https://github.com/Dasharo/linux.git synced 2026-03-06 15:25:10 -08:00
Code Issues Packages Projects Releases Wiki Activity

Merge tag 'topic/phy-compliance-2020-04-08' of git://anongit.freedesktop.org/drm/drm-misc into drm-intel-next-queued

Browse Source 
Topic pull request for topic/phy-compliance:
- Standardize DP_PHY_TEST_PATTERN name.
- Add support for setting/getting test pattern from sink.
- Implement DP PHY compliance to i915.

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/efb3d0d9-2cf7-046b-3a9b-2548d086258e@linux.intel.com
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This commit is contained in:
Joonas Lahtinen
2020-04-16 14:36:38 +03:00
parent 2b703bbda2 8cdf727119
commit cef622d763
10 changed files with 337 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
include/drm/drm_dp_helper.h
View File

@@ -701,7 +701,16 @@
# define DP_TEST_CRC_SUPPORTED (1 << 5)
# define DP_TEST_COUNT_MASK 0xf
#define DP_TEST_PHY_PATTERN 0x248
#define DP_PHY_TEST_PATTERN 0x248
# define DP_PHY_TEST_PATTERN_SEL_MASK 0x7
# define DP_PHY_TEST_PATTERN_NONE 0x0
# define DP_PHY_TEST_PATTERN_D10_2 0x1
# define DP_PHY_TEST_PATTERN_ERROR_COUNT 0x2
# define DP_PHY_TEST_PATTERN_PRBS7 0x3
# define DP_PHY_TEST_PATTERN_80BIT_CUSTOM 0x4
# define DP_PHY_TEST_PATTERN_CP2520 0x5
#define DP_TEST_HBR2_SCRAMBLER_RESET 0x24A
#define DP_TEST_80BIT_CUSTOM_PATTERN_7_0 0x250
#define DP_TEST_80BIT_CUSTOM_PATTERN_15_8 0x251
#define DP_TEST_80BIT_CUSTOM_PATTERN_23_16 0x252
@@ -1735,4 +1744,26 @@ static inline void drm_dp_cec_unset_edid(struct drm_dp_aux *aux)
#endif
/**
* struct drm_dp_phy_test_params - DP Phy Compliance parameters
* @link_rate: Requested Link rate from DPCD 0x219
* @num_lanes: Number of lanes requested by sing through DPCD 0x220
* @phy_pattern: DP Phy test pattern from DPCD 0x248
* @hb2_reset: DP HBR2_COMPLIANCE_SCRAMBLER_RESET from DCPD 0x24A and 0x24B
* @custom80: DP Test_80BIT_CUSTOM_PATTERN from DPCDs 0x250 through 0x259
* @enhanced_frame_cap: flag for enhanced frame capability.
*/
struct drm_dp_phy_test_params {
int link_rate;
u8 num_lanes;
u8 phy_pattern;
u8 hbr2_reset[2];
u8 custom80[10];
bool enhanced_frame_cap;
};
int drm_dp_get_phy_test_pattern(struct drm_dp_aux *aux,
struct drm_dp_phy_test_params *data);
int drm_dp_set_phy_test_pattern(struct drm_dp_aux *aux,
struct drm_dp_phy_test_params *data, u8 dp_rev);
#endif /* _DRM_DP_HELPER_H_ */