diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_link.h')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_link.h | 37 |
1 files changed, 13 insertions, 24 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_link.h b/drivers/gpu/drm/msm/dp/dp_link.h index 79c3a02b8..83da170bc 100644 --- a/drivers/gpu/drm/msm/dp/dp_link.h +++ b/drivers/gpu/drm/msm/dp/dp_link.h @@ -19,7 +19,19 @@ struct dp_link_info { unsigned long capabilities; }; -#define DP_TRAIN_LEVEL_MAX 3 +enum dp_link_voltage_level { + DP_TRAIN_VOLTAGE_SWING_LVL_0 = 0, + DP_TRAIN_VOLTAGE_SWING_LVL_1 = 1, + DP_TRAIN_VOLTAGE_SWING_LVL_2 = 2, + DP_TRAIN_VOLTAGE_SWING_MAX = DP_TRAIN_VOLTAGE_SWING_LVL_2, +}; + +enum dp_link_preemaphasis_level { + DP_TRAIN_PRE_EMPHASIS_LVL_0 = 0, + DP_TRAIN_PRE_EMPHASIS_LVL_1 = 1, + DP_TRAIN_PRE_EMPHASIS_LVL_2 = 2, + DP_TRAIN_PRE_EMPHASIS_MAX = DP_TRAIN_PRE_EMPHASIS_LVL_2, +}; struct dp_link_test_video { u32 test_video_pattern; @@ -100,29 +112,6 @@ static inline u32 dp_link_bit_depth_to_bpp(u32 tbd) } } -/** - * dp_test_bit_depth_to_bpc() - convert test bit depth to bpc - * @tbd: test bit depth - * - * Returns the bits per comp (bpc) to be used corresponding to the - * bit depth value. This function assumes that bit depth has - * already been validated. - */ -static inline u32 dp_link_bit_depth_to_bpc(u32 tbd) -{ - switch (tbd) { - case DP_TEST_BIT_DEPTH_6: - return 6; - case DP_TEST_BIT_DEPTH_8: - return 8; - case DP_TEST_BIT_DEPTH_10: - return 10; - case DP_TEST_BIT_DEPTH_UNKNOWN: - default: - return 0; - } -} - void dp_link_reset_phy_params_vx_px(struct dp_link *dp_link); u32 dp_link_get_test_bits_depth(struct dp_link *dp_link, u32 bpp); int dp_link_process_request(struct dp_link *dp_link); |