#define FIRMWARE_RAVEN_DMCU "amdgpu/raven_dmcu.bin"
MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU);
+#define FIRMWARE_NAVI12_DMCU "amdgpu/navi12_dmcu.bin"
+MODULE_FIRMWARE(FIRMWARE_NAVI12_DMCU);
+
/* Number of bytes in PSP header for firmware. */
#define PSP_HEADER_BYTES 0x100
* of pageflip completion, so last_flip_vblank is the forbidden count
* for queueing new pageflips if vsync + VRR is enabled.
*/
- amdgpu_crtc->last_flip_vblank = amdgpu_get_vblank_counter_kms(adev->ddev,
- amdgpu_crtc->crtc_id);
+ amdgpu_crtc->last_flip_vblank =
+ amdgpu_get_vblank_counter_kms(&amdgpu_crtc->base);
amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
fw_bss_data_size = le32_to_cpu(hdr->bss_data_bytes);
- memcpy(fb_info->fb[DMUB_WINDOW_0_INST_CONST].cpu_addr, fw_inst_const,
- fw_inst_const_size);
+ /* if adev->firmware.load_type == AMDGPU_FW_LOAD_PSP,
+ * amdgpu_ucode_init_single_fw will load dmub firmware
+ * fw_inst_const part to cw0; otherwise, the firmware back door load
+ * will be done by dm_dmub_hw_init
+ */
+ if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
+ memcpy(fb_info->fb[DMUB_WINDOW_0_INST_CONST].cpu_addr, fw_inst_const,
+ fw_inst_const_size);
+ }
+
memcpy(fb_info->fb[DMUB_WINDOW_2_BSS_DATA].cpu_addr, fw_bss_data,
fw_bss_data_size);
+
+ /* Copy firmware bios info into FB memory. */
memcpy(fb_info->fb[DMUB_WINDOW_3_VBIOS].cpu_addr, adev->bios,
adev->bios_size);
hw_params.fb_base = adev->gmc.fb_start;
hw_params.fb_offset = adev->gmc.aper_base;
+ /* backdoor load firmware and trigger dmub running */
+ if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
+ hw_params.load_inst_const = true;
+
if (dmcu)
hw_params.psp_version = dmcu->psp_version;
#ifdef CONFIG_DRM_AMD_DC_HDCP
if (adev->asic_type >= CHIP_RAVEN) {
- adev->dm.hdcp_workqueue = hdcp_create_workqueue(&adev->psp, &init_params.cp_psp, adev->dm.dc);
+ adev->dm.hdcp_workqueue = hdcp_create_workqueue(adev, &init_params.cp_psp, adev->dm.dc);
if (!adev->dm.hdcp_workqueue)
DRM_ERROR("amdgpu: failed to initialize hdcp_workqueue.\n");
goto error;
}
-#if defined(CONFIG_DEBUG_FS)
- if (dtn_debugfs_init(adev))
- DRM_ERROR("amdgpu: failed initialize dtn debugfs support.\n");
-#endif
-
DRM_DEBUG_DRIVER("KMS initialized.\n");
return 0;
case CHIP_VEGA20:
case CHIP_NAVI10:
case CHIP_NAVI14:
- case CHIP_NAVI12:
case CHIP_RENOIR:
return 0;
+ case CHIP_NAVI12:
+ fw_name_dmcu = FIRMWARE_NAVI12_DMCU;
+ break;
case CHIP_RAVEN:
if (ASICREV_IS_PICASSO(adev->external_rev_id))
fw_name_dmcu = FIRMWARE_RAVEN_DMCU;
return 0;
}
- if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
- DRM_WARN("Only PSP firmware loading is supported for DMUB\n");
- return 0;
- }
-
hdr = (const struct dmcub_firmware_header_v1_0 *)adev->dm.dmub_fw->data;
- adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].ucode_id =
- AMDGPU_UCODE_ID_DMCUB;
- adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].fw = adev->dm.dmub_fw;
- adev->firmware.fw_size +=
- ALIGN(le32_to_cpu(hdr->inst_const_bytes), PAGE_SIZE);
- adev->dm.dmcub_fw_version = le32_to_cpu(hdr->header.ucode_version);
+ if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+ adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].ucode_id =
+ AMDGPU_UCODE_ID_DMCUB;
+ adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].fw =
+ adev->dm.dmub_fw;
+ adev->firmware.fw_size +=
+ ALIGN(le32_to_cpu(hdr->inst_const_bytes), PAGE_SIZE);
- DRM_INFO("Loading DMUB firmware via PSP: version=0x%08X\n",
- adev->dm.dmcub_fw_version);
+ DRM_INFO("Loading DMUB firmware via PSP: version=0x%08X\n",
+ adev->dm.dmcub_fw_version);
+ }
+
+ adev->dm.dmcub_fw_version = le32_to_cpu(hdr->header.ucode_version);
adev->dm.dmub_srv = kzalloc(sizeof(*adev->dm.dmub_srv), GFP_KERNEL);
dmub_srv = adev->dm.dmub_srv;
.atomic_commit_tail = amdgpu_dm_atomic_commit_tail
};
+static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector)
+{
+ u32 max_cll, min_cll, max, min, q, r;
+ struct amdgpu_dm_backlight_caps *caps;
+ struct amdgpu_display_manager *dm;
+ struct drm_connector *conn_base;
+ struct amdgpu_device *adev;
+ static const u8 pre_computed_values[] = {
+ 50, 51, 52, 53, 55, 56, 57, 58, 59, 61, 62, 63, 65, 66, 68, 69,
+ 71, 72, 74, 75, 77, 79, 81, 82, 84, 86, 88, 90, 92, 94, 96, 98};
+
+ if (!aconnector || !aconnector->dc_link)
+ return;
+
+ conn_base = &aconnector->base;
+ adev = conn_base->dev->dev_private;
+ dm = &adev->dm;
+ caps = &dm->backlight_caps;
+ caps->ext_caps = &aconnector->dc_link->dpcd_sink_ext_caps;
+ caps->aux_support = false;
+ max_cll = conn_base->hdr_sink_metadata.hdmi_type1.max_cll;
+ min_cll = conn_base->hdr_sink_metadata.hdmi_type1.min_cll;
+
+ if (caps->ext_caps->bits.oled == 1 ||
+ caps->ext_caps->bits.sdr_aux_backlight_control == 1 ||
+ caps->ext_caps->bits.hdr_aux_backlight_control == 1)
+ caps->aux_support = true;
+
+ /* From the specification (CTA-861-G), for calculating the maximum
+ * luminance we need to use:
+ * Luminance = 50*2**(CV/32)
+ * Where CV is a one-byte value.
+ * For calculating this expression we may need float point precision;
+ * to avoid this complexity level, we take advantage that CV is divided
+ * by a constant. From the Euclids division algorithm, we know that CV
+ * can be written as: CV = 32*q + r. Next, we replace CV in the
+ * Luminance expression and get 50*(2**q)*(2**(r/32)), hence we just
+ * need to pre-compute the value of r/32. For pre-computing the values
+ * We just used the following Ruby line:
+ * (0...32).each {|cv| puts (50*2**(cv/32.0)).round}
+ * The results of the above expressions can be verified at
+ * pre_computed_values.
+ */
+ q = max_cll >> 5;
+ r = max_cll % 32;
+ max = (1 << q) * pre_computed_values[r];
+
+ // min luminance: maxLum * (CV/255)^2 / 100
+ q = DIV_ROUND_CLOSEST(min_cll, 255);
+ min = max * DIV_ROUND_CLOSEST((q * q), 100);
+
+ caps->aux_max_input_signal = max;
+ caps->aux_min_input_signal = min;
+}
+
static void
amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
{
aconnector->edid);
}
amdgpu_dm_update_freesync_caps(connector, aconnector->edid);
-
+ update_connector_ext_caps(aconnector);
} else {
drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux);
amdgpu_dm_update_freesync_caps(connector, NULL);
#define AMDGPU_DM_DEFAULT_MIN_BACKLIGHT 12
#define AMDGPU_DM_DEFAULT_MAX_BACKLIGHT 255
+#define AUX_BL_DEFAULT_TRANSITION_TIME_MS 50
#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
amdgpu_acpi_get_backlight_caps(dm->adev, &caps);
if (caps.caps_valid) {
+ dm->backlight_caps.caps_valid = true;
+ if (caps.aux_support)
+ return;
dm->backlight_caps.min_input_signal = caps.min_input_signal;
dm->backlight_caps.max_input_signal = caps.max_input_signal;
- dm->backlight_caps.caps_valid = true;
} else {
dm->backlight_caps.min_input_signal =
AMDGPU_DM_DEFAULT_MIN_BACKLIGHT;
AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;
}
#else
+ if (dm->backlight_caps.aux_support)
+ return;
+
dm->backlight_caps.min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT;
dm->backlight_caps.max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;
#endif
}
+static int set_backlight_via_aux(struct dc_link *link, uint32_t brightness)
+{
+ bool rc;
+
+ if (!link)
+ return 1;
+
+ rc = dc_link_set_backlight_level_nits(link, true, brightness,
+ AUX_BL_DEFAULT_TRANSITION_TIME_MS);
+
+ return rc ? 0 : 1;
+}
+
+static u32 convert_brightness(const struct amdgpu_dm_backlight_caps *caps,
+ const uint32_t user_brightness)
+{
+ u32 min, max, conversion_pace;
+ u32 brightness = user_brightness;
+
+ if (!caps)
+ goto out;
+
+ if (!caps->aux_support) {
+ max = caps->max_input_signal;
+ min = caps->min_input_signal;
+ /*
+ * The brightness input is in the range 0-255
+ * It needs to be rescaled to be between the
+ * requested min and max input signal
+ * It also needs to be scaled up by 0x101 to
+ * match the DC interface which has a range of
+ * 0 to 0xffff
+ */
+ conversion_pace = 0x101;
+ brightness =
+ user_brightness
+ * conversion_pace
+ * (max - min)
+ / AMDGPU_MAX_BL_LEVEL
+ + min * conversion_pace;
+ } else {
+ /* TODO
+ * We are doing a linear interpolation here, which is OK but
+ * does not provide the optimal result. We probably want
+ * something close to the Perceptual Quantizer (PQ) curve.
+ */
+ max = caps->aux_max_input_signal;
+ min = caps->aux_min_input_signal;
+
+ brightness = (AMDGPU_MAX_BL_LEVEL - user_brightness) * min
+ + user_brightness * max;
+ // Multiple the value by 1000 since we use millinits
+ brightness *= 1000;
+ brightness = DIV_ROUND_CLOSEST(brightness, AMDGPU_MAX_BL_LEVEL);
+ }
+
+out:
+ return brightness;
+}
+
static int amdgpu_dm_backlight_update_status(struct backlight_device *bd)
{
struct amdgpu_display_manager *dm = bl_get_data(bd);
struct amdgpu_dm_backlight_caps caps;
- uint32_t brightness = bd->props.brightness;
+ struct dc_link *link = NULL;
+ u32 brightness;
+ bool rc;
amdgpu_dm_update_backlight_caps(dm);
caps = dm->backlight_caps;
- /*
- * The brightness input is in the range 0-255
- * It needs to be rescaled to be between the
- * requested min and max input signal
- *
- * It also needs to be scaled up by 0x101 to
- * match the DC interface which has a range of
- * 0 to 0xffff
- */
- brightness =
- brightness
- * 0x101
- * (caps.max_input_signal - caps.min_input_signal)
- / AMDGPU_MAX_BL_LEVEL
- + caps.min_input_signal * 0x101;
-
- if (dc_link_set_backlight_level(dm->backlight_link,
- brightness, 0))
- return 0;
- else
- return 1;
+
+ link = (struct dc_link *)dm->backlight_link;
+
+ brightness = convert_brightness(&caps, bd->props.brightness);
+ // Change brightness based on AUX property
+ if (caps.aux_support)
+ return set_backlight_via_aux(link, brightness);
+
+ rc = dc_link_set_backlight_level(dm->backlight_link, brightness, 0);
+
+ return rc ? 0 : 1;
}
static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd)
.set_crc_source = amdgpu_dm_crtc_set_crc_source,
.verify_crc_source = amdgpu_dm_crtc_verify_crc_source,
.get_crc_sources = amdgpu_dm_crtc_get_crc_sources,
+ .get_vblank_counter = amdgpu_get_vblank_counter_kms,
.enable_vblank = dm_enable_vblank,
.disable_vblank = dm_disable_vblank,
+ .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
};
static enum drm_connector_status
return &new_state->base;
}
+static int
+amdgpu_dm_connector_late_register(struct drm_connector *connector)
+{
+ struct amdgpu_dm_connector *amdgpu_dm_connector =
+ to_amdgpu_dm_connector(connector);
+
+#if defined(CONFIG_DEBUG_FS)
+ connector_debugfs_init(amdgpu_dm_connector);
+#endif
+
+ return 0;
+}
+
static const struct drm_connector_funcs amdgpu_dm_connector_funcs = {
.reset = amdgpu_dm_connector_funcs_reset,
.detect = amdgpu_dm_connector_detect,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
.atomic_set_property = amdgpu_dm_connector_atomic_set_property,
.atomic_get_property = amdgpu_dm_connector_atomic_get_property,
+ .late_register = amdgpu_dm_connector_late_register,
.early_unregister = amdgpu_dm_connector_unregister
};
static const struct drm_crtc_helper_funcs amdgpu_dm_crtc_helper_funcs = {
.disable = dm_crtc_helper_disable,
.atomic_check = dm_crtc_helper_atomic_check,
- .mode_fixup = dm_crtc_helper_mode_fixup
+ .mode_fixup = dm_crtc_helper_mode_fixup,
+ .get_scanout_position = amdgpu_crtc_get_scanout_position,
};
static void dm_encoder_helper_disable(struct drm_encoder *encoder)
drm_connector_attach_encoder(
&aconnector->base, &aencoder->base);
- drm_connector_register(&aconnector->base);
-#if defined(CONFIG_DEBUG_FS)
- connector_debugfs_init(aconnector);
- aconnector->debugfs_dpcd_address = 0;
- aconnector->debugfs_dpcd_size = 0;
-#endif
-
if (connector_type == DRM_MODE_CONNECTOR_DisplayPort
|| connector_type == DRM_MODE_CONNECTOR_eDP)
amdgpu_dm_initialize_dp_connector(dm, aconnector);
* clients using the GLX_OML_sync_control extension or
* DRI3/Present extension with defined target_msc.
*/
- last_flip_vblank = amdgpu_get_vblank_counter_kms(dm->ddev, acrtc_attach->crtc_id);
+ last_flip_vblank = amdgpu_get_vblank_counter_kms(pcrtc);
}
else {
/* For variable refresh rate mode only:
& (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) ==
(DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) &&
(int)(target_vblank -
- amdgpu_get_vblank_counter_kms(dm->ddev, acrtc_attach->crtc_id)) > 0)) {
+ amdgpu_get_vblank_counter_kms(pcrtc)) > 0)) {
usleep_range(1000, 1100);
}