diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h index ec312f1a3e55..3ca34629d4b4 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h @@ -92,6 +92,36 @@ struct crtc_stereo_flags { uint8_t DISABLE_STEREO_DP_SYNC : 1; }; +enum crc_selection { + /* Order must match values expected by hardware */ + UNION_WINDOW_A_B = 0, + UNION_WINDOW_A_NOT_B, + UNION_WINDOW_NOT_A_B, + UNION_WINDOW_NOT_A_NOT_B, + INTERSECT_WINDOW_A_B, + INTERSECT_WINDOW_A_NOT_B, + INTERSECT_WINDOW_NOT_A_B, + INTERSECT_WINDOW_NOT_A_NOT_B, +}; + +struct crc_params { + /* Regions used to calculate CRC*/ + uint16_t windowa_x_start; + uint16_t windowa_x_end; + uint16_t windowa_y_start; + uint16_t windowa_y_end; + + uint16_t windowb_x_start; + uint16_t windowb_x_end; + uint16_t windowb_y_start; + uint16_t windowb_y_end; + + enum crc_selection selection; + + bool continuous_mode; + bool enable; +}; + struct timing_generator { const struct timing_generator_funcs *funcs; struct dc_bios *bp; @@ -173,6 +203,20 @@ struct timing_generator_funcs { bool (*is_tg_enabled)(struct timing_generator *tg); bool (*is_optc_underflow_occurred)(struct timing_generator *tg); void (*clear_optc_underflow)(struct timing_generator *tg); + + /** + * Configure CRCs for the given timing generator. Return false if TG is + * not on. + */ + bool (*configure_crc)(struct timing_generator *tg, + const struct crc_params *params); + + /** + * Get CRCs for the given timing generator. Return false if CRCs are + * not enabled (via configure_crc). + */ + bool (*get_crc)(struct timing_generator *tg, + uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb); }; #endif |