diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
5 files changed, 31 insertions, 340 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c index 3699e633801d..a71df052cf25 100644 --- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c +++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c @@ -1399,71 +1399,6 @@ static void scale_gamma_dx(struct pwl_float_data *pwl_rgb, pwl_rgb[i-1].b, 2), pwl_rgb[i-2].b); } -/* todo: all these scale_gamma functions are inherently the same but - * take different structures as params or different format for ramp - * values. We could probably implement it in a more generic fashion - */ -static void scale_user_regamma_ramp(struct pwl_float_data *pwl_rgb, - const struct regamma_ramp *ramp, - struct dividers dividers) -{ - unsigned short max_driver = 0xFFFF; - unsigned short max_os = 0xFF00; - unsigned short scaler = max_os; - uint32_t i; - struct pwl_float_data *rgb = pwl_rgb; - struct pwl_float_data *rgb_last = rgb + GAMMA_RGB_256_ENTRIES - 1; - - i = 0; - do { - if (ramp->gamma[i] > max_os || - ramp->gamma[i + 256] > max_os || - ramp->gamma[i + 512] > max_os) { - scaler = max_driver; - break; - } - i++; - } while (i != GAMMA_RGB_256_ENTRIES); - - i = 0; - do { - rgb->r = dc_fixpt_from_fraction( - ramp->gamma[i], scaler); - rgb->g = dc_fixpt_from_fraction( - ramp->gamma[i + 256], scaler); - rgb->b = dc_fixpt_from_fraction( - ramp->gamma[i + 512], scaler); - - ++rgb; - ++i; - } while (i != GAMMA_RGB_256_ENTRIES); - - rgb->r = dc_fixpt_mul(rgb_last->r, - dividers.divider1); - rgb->g = dc_fixpt_mul(rgb_last->g, - dividers.divider1); - rgb->b = dc_fixpt_mul(rgb_last->b, - dividers.divider1); - - ++rgb; - - rgb->r = dc_fixpt_mul(rgb_last->r, - dividers.divider2); - rgb->g = dc_fixpt_mul(rgb_last->g, - dividers.divider2); - rgb->b = dc_fixpt_mul(rgb_last->b, - dividers.divider2); - - ++rgb; - - rgb->r = dc_fixpt_mul(rgb_last->r, - dividers.divider3); - rgb->g = dc_fixpt_mul(rgb_last->g, - dividers.divider3); - rgb->b = dc_fixpt_mul(rgb_last->b, - dividers.divider3); -} - /* * RS3+ color transform DDI - 1D LUT adjustment is composed with regamma here * Input is evenly distributed in the output color space as specified in @@ -1663,106 +1598,6 @@ static bool calculate_interpolated_hardware_curve( return true; } -/* The "old" interpolation uses a complicated scheme to build an array of - * coefficients while also using an array of 0-255 normalized to 0-1 - * Then there's another loop using both of the above + new scaled user ramp - * and we concatenate them. It also searches for points of interpolation and - * uses enums for positions. - * - * This function uses a different approach: - * user ramp is always applied on X with 0/255, 1/255, 2/255, ..., 255/255 - * To find index for hwX , we notice the following: - * i/255 <= hwX < (i+1)/255 <=> i <= 255*hwX < i+1 - * See apply_lut_1d which is the same principle, but on 4K entry 1D LUT - * - * Once the index is known, combined Y is simply: - * user_ramp(index) + (hwX-index/255)*(user_ramp(index+1) - user_ramp(index) - * - * We should switch to this method in all cases, it's simpler and faster - * ToDo one day - for now this only applies to ADL regamma to avoid regression - * for regular use cases (sRGB and PQ) - */ -static void interpolate_user_regamma(uint32_t hw_points_num, - struct pwl_float_data *rgb_user, - bool apply_degamma, - struct dc_transfer_func_distributed_points *tf_pts) -{ - uint32_t i; - uint32_t color = 0; - int32_t index; - int32_t index_next; - struct fixed31_32 *tf_point; - struct fixed31_32 hw_x; - struct fixed31_32 norm_factor = - dc_fixpt_from_int(255); - struct fixed31_32 norm_x; - struct fixed31_32 index_f; - struct fixed31_32 lut1; - struct fixed31_32 lut2; - struct fixed31_32 delta_lut; - struct fixed31_32 delta_index; - const struct fixed31_32 one = dc_fixpt_from_int(1); - - i = 0; - /* fixed_pt library has problems handling too small values */ - while (i != 32) { - tf_pts->red[i] = dc_fixpt_zero; - tf_pts->green[i] = dc_fixpt_zero; - tf_pts->blue[i] = dc_fixpt_zero; - ++i; - } - while (i <= hw_points_num + 1) { - for (color = 0; color < 3; color++) { - if (color == 0) - tf_point = &tf_pts->red[i]; - else if (color == 1) - tf_point = &tf_pts->green[i]; - else - tf_point = &tf_pts->blue[i]; - - if (apply_degamma) { - if (color == 0) - hw_x = coordinates_x[i].regamma_y_red; - else if (color == 1) - hw_x = coordinates_x[i].regamma_y_green; - else - hw_x = coordinates_x[i].regamma_y_blue; - } else - hw_x = coordinates_x[i].x; - - if (dc_fixpt_le(one, hw_x)) - hw_x = one; - - norm_x = dc_fixpt_mul(norm_factor, hw_x); - index = dc_fixpt_floor(norm_x); - if (index < 0 || index > 255) - continue; - - index_f = dc_fixpt_from_int(index); - index_next = (index == 255) ? index : index + 1; - - if (color == 0) { - lut1 = rgb_user[index].r; - lut2 = rgb_user[index_next].r; - } else if (color == 1) { - lut1 = rgb_user[index].g; - lut2 = rgb_user[index_next].g; - } else { - lut1 = rgb_user[index].b; - lut2 = rgb_user[index_next].b; - } - - // we have everything now, so interpolate - delta_lut = dc_fixpt_sub(lut2, lut1); - delta_index = dc_fixpt_sub(norm_x, index_f); - - *tf_point = dc_fixpt_add(lut1, - dc_fixpt_mul(delta_index, delta_lut)); - } - ++i; - } -} - static void build_new_custom_resulted_curve( uint32_t hw_points_num, struct dc_transfer_func_distributed_points *tf_pts) @@ -1784,29 +1619,6 @@ static void build_new_custom_resulted_curve( } } -static void apply_degamma_for_user_regamma(struct pwl_float_data_ex *rgb_regamma, - uint32_t hw_points_num, struct calculate_buffer *cal_buffer) -{ - uint32_t i; - - struct gamma_coefficients coeff; - struct pwl_float_data_ex *rgb = rgb_regamma; - const struct hw_x_point *coord_x = coordinates_x; - - build_coefficients(&coeff, TRANSFER_FUNCTION_SRGB); - - i = 0; - while (i != hw_points_num + 1) { - rgb->r = translate_from_linear_space_ex( - coord_x->x, &coeff, 0, cal_buffer); - rgb->g = rgb->r; - rgb->b = rgb->r; - ++coord_x; - ++rgb; - ++i; - } -} - static bool map_regamma_hw_to_x_user( const struct dc_gamma *ramp, struct pixel_gamma_point *coeff128, @@ -1855,125 +1667,6 @@ static bool map_regamma_hw_to_x_user( #define _EXTRA_POINTS 3 -bool calculate_user_regamma_coeff(struct dc_transfer_func *output_tf, - const struct regamma_lut *regamma, - struct calculate_buffer *cal_buffer, - const struct dc_gamma *ramp) -{ - struct gamma_coefficients coeff; - const struct hw_x_point *coord_x = coordinates_x; - uint32_t i = 0; - - do { - coeff.a0[i] = dc_fixpt_from_fraction( - regamma->coeff.A0[i], 10000000); - coeff.a1[i] = dc_fixpt_from_fraction( - regamma->coeff.A1[i], 1000); - coeff.a2[i] = dc_fixpt_from_fraction( - regamma->coeff.A2[i], 1000); - coeff.a3[i] = dc_fixpt_from_fraction( - regamma->coeff.A3[i], 1000); - coeff.user_gamma[i] = dc_fixpt_from_fraction( - regamma->coeff.gamma[i], 1000); - - ++i; - } while (i != 3); - - i = 0; - /* fixed_pt library has problems handling too small values */ - while (i != 32) { - output_tf->tf_pts.red[i] = dc_fixpt_zero; - output_tf->tf_pts.green[i] = dc_fixpt_zero; - output_tf->tf_pts.blue[i] = dc_fixpt_zero; - ++coord_x; - ++i; - } - while (i != MAX_HW_POINTS + 1) { - output_tf->tf_pts.red[i] = translate_from_linear_space_ex( - coord_x->x, &coeff, 0, cal_buffer); - output_tf->tf_pts.green[i] = translate_from_linear_space_ex( - coord_x->x, &coeff, 1, cal_buffer); - output_tf->tf_pts.blue[i] = translate_from_linear_space_ex( - coord_x->x, &coeff, 2, cal_buffer); - ++coord_x; - ++i; - } - - if (ramp && ramp->type == GAMMA_CS_TFM_1D) - apply_lut_1d(ramp, MAX_HW_POINTS, &output_tf->tf_pts); - - // this function just clamps output to 0-1 - build_new_custom_resulted_curve(MAX_HW_POINTS, &output_tf->tf_pts); - output_tf->type = TF_TYPE_DISTRIBUTED_POINTS; - - return true; -} - -bool calculate_user_regamma_ramp(struct dc_transfer_func *output_tf, - const struct regamma_lut *regamma, - struct calculate_buffer *cal_buffer, - const struct dc_gamma *ramp) -{ - struct dc_transfer_func_distributed_points *tf_pts = &output_tf->tf_pts; - struct dividers dividers; - - struct pwl_float_data *rgb_user = NULL; - struct pwl_float_data_ex *rgb_regamma = NULL; - bool ret = false; - - if (regamma == NULL) - return false; - - output_tf->type = TF_TYPE_DISTRIBUTED_POINTS; - - rgb_user = kcalloc(GAMMA_RGB_256_ENTRIES + _EXTRA_POINTS, - sizeof(*rgb_user), - GFP_KERNEL); - if (!rgb_user) - goto rgb_user_alloc_fail; - - rgb_regamma = kcalloc(MAX_HW_POINTS + _EXTRA_POINTS, - sizeof(*rgb_regamma), - GFP_KERNEL); - if (!rgb_regamma) - goto rgb_regamma_alloc_fail; - - dividers.divider1 = dc_fixpt_from_fraction(3, 2); - dividers.divider2 = dc_fixpt_from_int(2); - dividers.divider3 = dc_fixpt_from_fraction(5, 2); - - scale_user_regamma_ramp(rgb_user, ®amma->ramp, dividers); - - if (regamma->flags.bits.applyDegamma == 1) { - apply_degamma_for_user_regamma(rgb_regamma, MAX_HW_POINTS, cal_buffer); - copy_rgb_regamma_to_coordinates_x(coordinates_x, - MAX_HW_POINTS, rgb_regamma); - } - - interpolate_user_regamma(MAX_HW_POINTS, rgb_user, - regamma->flags.bits.applyDegamma, tf_pts); - - // no custom HDR curves! - tf_pts->end_exponent = 0; - tf_pts->x_point_at_y1_red = 1; - tf_pts->x_point_at_y1_green = 1; - tf_pts->x_point_at_y1_blue = 1; - - if (ramp && ramp->type == GAMMA_CS_TFM_1D) - apply_lut_1d(ramp, MAX_HW_POINTS, &output_tf->tf_pts); - - // this function just clamps output to 0-1 - build_new_custom_resulted_curve(MAX_HW_POINTS, tf_pts); - - ret = true; - - kfree(rgb_regamma); -rgb_regamma_alloc_fail: - kfree(rgb_user); -rgb_user_alloc_fail: - return ret; -} - bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps, struct dc_transfer_func *input_tf, const struct dc_gamma *ramp, bool map_user_ramp) diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h index ee5c466613de..97e55278940e 100644 --- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h +++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h @@ -115,15 +115,4 @@ bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps, struct dc_transfer_func *output_tf, const struct dc_gamma *ramp, bool mapUserRamp); -bool calculate_user_regamma_coeff(struct dc_transfer_func *output_tf, - const struct regamma_lut *regamma, - struct calculate_buffer *cal_buffer, - const struct dc_gamma *ramp); - -bool calculate_user_regamma_ramp(struct dc_transfer_func *output_tf, - const struct regamma_lut *regamma, - struct calculate_buffer *cal_buffer, - const struct dc_gamma *ramp); - - #endif /* COLOR_MOD_COLOR_GAMMA_H_ */ diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index bbd259cea4f4..f980a84dceef 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -48,6 +48,7 @@ #define VSYNCS_BETWEEN_FLIP_THRESHOLD 2 #define FREESYNC_CONSEC_FLIP_AFTER_VSYNC 5 #define FREESYNC_VSYNC_TO_FLIP_DELTA_IN_US 500 +#define MICRO_HZ_TO_HZ(x) (x / 1000000) struct core_freesync { struct mod_freesync public; @@ -128,13 +129,26 @@ unsigned int mod_freesync_calc_v_total_from_refresh( unsigned int v_total; unsigned int frame_duration_in_ns; + if (refresh_in_uhz == 0) + return stream->timing.v_total; + frame_duration_in_ns = ((unsigned int)(div64_u64((1000000000ULL * 1000000), refresh_in_uhz))); - v_total = div64_u64(div64_u64(((unsigned long long)( - frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)), - stream->timing.h_total) + 500000, 1000000); + if (MICRO_HZ_TO_HZ(refresh_in_uhz) <= stream->timing.min_refresh_in_uhz) { + /* When the target refresh rate is the minimum panel refresh rate, + * round down the vtotal value to avoid stretching vblank over + * panel's vtotal boundary. + */ + v_total = div64_u64(div64_u64(((unsigned long long)( + frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)), + stream->timing.h_total), 1000000); + } else { + v_total = div64_u64(div64_u64(((unsigned long long)( + frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)), + stream->timing.h_total) + 500000, 1000000); + } /* v_total cannot be less than nominal */ if (v_total < stream->timing.v_total) { diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c index c996365e84b0..1d41dd58f6bc 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c @@ -27,6 +27,11 @@ #include "hdcp.h" +static inline uint16_t get_hdmi_rxstatus_msg_size(const uint8_t rxstatus[2]) +{ + return HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(rxstatus[1]) << 8 | rxstatus[0]; +} + static inline enum mod_hdcp_status check_receiver_id_list_ready(struct mod_hdcp *hdcp) { uint8_t is_ready = 0; @@ -35,8 +40,7 @@ static inline enum mod_hdcp_status check_receiver_id_list_ready(struct mod_hdcp is_ready = HDCP_2_2_DP_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus_dp) ? 1 : 0; else is_ready = (HDCP_2_2_HDMI_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus[1]) && - (HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 | - hdcp->auth.msg.hdcp2.rxstatus[0])) ? 1 : 0; + get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus) != 0) ? 1 : 0; return is_ready ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY; } @@ -84,15 +88,13 @@ static inline enum mod_hdcp_status check_link_integrity_failure_dp( static enum mod_hdcp_status check_ake_cert_available(struct mod_hdcp *hdcp) { enum mod_hdcp_status status; - uint16_t size; if (is_dp_hdcp(hdcp)) { status = MOD_HDCP_STATUS_SUCCESS; } else { status = mod_hdcp_read_rxstatus(hdcp); if (status == MOD_HDCP_STATUS_SUCCESS) { - size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 | - hdcp->auth.msg.hdcp2.rxstatus[0]; + const uint16_t size = get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus); status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_cert)) ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING; @@ -104,7 +106,6 @@ static enum mod_hdcp_status check_ake_cert_available(struct mod_hdcp *hdcp) static enum mod_hdcp_status check_h_prime_available(struct mod_hdcp *hdcp) { enum mod_hdcp_status status; - uint8_t size; status = mod_hdcp_read_rxstatus(hdcp); if (status != MOD_HDCP_STATUS_SUCCESS) @@ -115,8 +116,7 @@ static enum mod_hdcp_status check_h_prime_available(struct mod_hdcp *hdcp) MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING; } else { - size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 | - hdcp->auth.msg.hdcp2.rxstatus[0]; + const uint16_t size = get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus); status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)) ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING; @@ -128,7 +128,6 @@ out: static enum mod_hdcp_status check_pairing_info_available(struct mod_hdcp *hdcp) { enum mod_hdcp_status status; - uint8_t size; status = mod_hdcp_read_rxstatus(hdcp); if (status != MOD_HDCP_STATUS_SUCCESS) @@ -139,8 +138,7 @@ static enum mod_hdcp_status check_pairing_info_available(struct mod_hdcp *hdcp) MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING; } else { - size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 | - hdcp->auth.msg.hdcp2.rxstatus[0]; + const uint16_t size = get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus); status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)) ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING; @@ -152,7 +150,6 @@ out: static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp) { enum mod_hdcp_status status = MOD_HDCP_STATUS_FAILURE; - uint8_t size; uint16_t max_wait = 20; // units of ms uint16_t num_polls = 5; uint16_t wait_time = max_wait / num_polls; @@ -167,8 +164,7 @@ static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp) if (status != MOD_HDCP_STATUS_SUCCESS) break; - size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 | - hdcp->auth.msg.hdcp2.rxstatus[0]; + const uint16_t size = get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus); status = (size == sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)) ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING; @@ -181,7 +177,6 @@ static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp) static enum mod_hdcp_status check_stream_ready_available(struct mod_hdcp *hdcp) { enum mod_hdcp_status status; - uint8_t size; if (is_dp_hdcp(hdcp)) { status = MOD_HDCP_STATUS_INVALID_OPERATION; @@ -189,8 +184,7 @@ static enum mod_hdcp_status check_stream_ready_available(struct mod_hdcp *hdcp) status = mod_hdcp_read_rxstatus(hdcp); if (status != MOD_HDCP_STATUS_SUCCESS) goto out; - size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 | - hdcp->auth.msg.hdcp2.rxstatus[0]; + const uint16_t size = get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus); status = (size == sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)) ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING; @@ -249,8 +243,7 @@ static uint8_t process_rxstatus(struct mod_hdcp *hdcp, sizeof(hdcp->auth.msg.hdcp2.rx_id_list); else hdcp->auth.msg.hdcp2.rx_id_list_size = - HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 | - hdcp->auth.msg.hdcp2.rxstatus[0]; + get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus); } out: return (*status == MOD_HDCP_STATUS_SUCCESS); diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c index 3cd52e7a9c77..95838c7ab054 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c @@ -841,6 +841,8 @@ bool is_psr_su_specific_panel(struct dc_link *link) isPSRSUSupported = false; else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x03) isPSRSUSupported = false; + else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x01) + isPSRSUSupported = false; else if (dpcd_caps->psr_info.force_psrsu_cap == 0x1) isPSRSUSupported = true; } |