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path: root/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atombios_encoders.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/atombios_encoders.c109
1 files changed, 43 insertions, 66 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
index 6134ed964027..a51f3414b65d 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
@@ -26,7 +26,9 @@
#include <linux/pci.h>
-#include <drm/drm_crtc_helper.h>
+#include <acpi/video.h>
+
+#include <drm/drm_edid.h>
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include "amdgpu_connectors.h"
@@ -118,8 +120,6 @@ amdgpu_atombios_encoder_set_backlight_level(struct amdgpu_encoder *amdgpu_encode
}
}
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
-
static u8 amdgpu_atombios_encoder_backlight_level(struct backlight_device *bd)
{
u8 level;
@@ -184,7 +184,12 @@ void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *amdgpu_encode
return;
if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
- return;
+ goto register_acpi_backlight;
+
+ if (!acpi_video_backlight_use_native()) {
+ drm_info(dev, "Skipping amdgpu atom DIG backlight registration\n");
+ goto register_acpi_backlight;
+ }
pdata = kmalloc(sizeof(struct amdgpu_backlight_privdata), GFP_KERNEL);
if (!pdata) {
@@ -210,7 +215,7 @@ void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *amdgpu_encode
dig->bl_dev = bd;
bd->props.brightness = amdgpu_atombios_encoder_get_backlight_brightness(bd);
- bd->props.power = FB_BLANK_UNBLANK;
+ bd->props.power = BACKLIGHT_POWER_ON;
backlight_update_status(bd);
DRM_INFO("amdgpu atom DIG backlight initialized\n");
@@ -220,6 +225,10 @@ void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *amdgpu_encode
error:
kfree(pdata);
return;
+
+register_acpi_backlight:
+ /* Try registering an ACPI video backlight device instead. */
+ acpi_video_register_backlight();
}
void
@@ -251,18 +260,6 @@ amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *amdgpu_encoder)
}
}
-#else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */
-
-void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *encoder)
-{
-}
-
-void amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *encoder)
-{
-}
-
-#endif
-
bool amdgpu_atombios_encoder_is_digital(struct drm_encoder *encoder)
{
struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
@@ -338,7 +335,7 @@ amdgpu_atombios_encoder_setup_dac(struct drm_encoder *encoder, int action)
args.ucDacStandard = ATOM_DAC1_PS2;
args.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
}
@@ -435,7 +432,7 @@ amdgpu_atombios_encoder_setup_dvo(struct drm_encoder *encoder, int action)
break;
}
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
}
int amdgpu_atombios_encoder_get_encoder_mode(struct drm_encoder *encoder)
@@ -469,7 +466,7 @@ int amdgpu_atombios_encoder_get_encoder_mode(struct drm_encoder *encoder)
if (amdgpu_connector->use_digital &&
(amdgpu_connector->audio == AMDGPU_AUDIO_ENABLE))
return ATOM_ENCODER_MODE_HDMI;
- else if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector)) &&
+ else if (connector->display_info.is_hdmi &&
(amdgpu_connector->audio == AMDGPU_AUDIO_AUTO))
return ATOM_ENCODER_MODE_HDMI;
else if (amdgpu_connector->use_digital)
@@ -488,7 +485,7 @@ int amdgpu_atombios_encoder_get_encoder_mode(struct drm_encoder *encoder)
if (amdgpu_audio != 0) {
if (amdgpu_connector->audio == AMDGPU_AUDIO_ENABLE)
return ATOM_ENCODER_MODE_HDMI;
- else if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector)) &&
+ else if (connector->display_info.is_hdmi &&
(amdgpu_connector->audio == AMDGPU_AUDIO_AUTO))
return ATOM_ENCODER_MODE_HDMI;
else
@@ -506,7 +503,7 @@ int amdgpu_atombios_encoder_get_encoder_mode(struct drm_encoder *encoder)
} else if (amdgpu_audio != 0) {
if (amdgpu_connector->audio == AMDGPU_AUDIO_ENABLE)
return ATOM_ENCODER_MODE_HDMI;
- else if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector)) &&
+ else if (connector->display_info.is_hdmi &&
(amdgpu_connector->audio == AMDGPU_AUDIO_AUTO))
return ATOM_ENCODER_MODE_HDMI;
else
@@ -735,7 +732,7 @@ amdgpu_atombios_encoder_setup_dig_encoder(struct drm_encoder *encoder,
break;
}
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
}
@@ -765,7 +762,6 @@ amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder *encoder, int a
int dp_clock = 0;
int dp_lane_count = 0;
int connector_object_id = 0;
- int igp_lane_info = 0;
int dig_encoder = dig->dig_encoder;
int hpd_id = AMDGPU_HPD_NONE;
@@ -848,26 +844,6 @@ amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder *encoder, int a
else
args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER;
- if ((adev->flags & AMD_IS_APU) &&
- (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY)) {
- if (is_dp ||
- !amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock)) {
- if (igp_lane_info & 0x1)
- args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_3;
- else if (igp_lane_info & 0x2)
- args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_4_7;
- else if (igp_lane_info & 0x4)
- args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_11;
- else if (igp_lane_info & 0x8)
- args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_12_15;
- } else {
- if (igp_lane_info & 0x3)
- args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_7;
- else if (igp_lane_info & 0xc)
- args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_15;
- }
- }
-
if (dig->linkb)
args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LINKB;
else
@@ -1160,7 +1136,7 @@ amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder *encoder, int a
break;
}
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
}
bool
@@ -1188,7 +1164,7 @@ amdgpu_atombios_encoder_set_edp_panel_power(struct drm_connector *connector,
args.v1.ucAction = action;
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
/* wait for the panel to power up */
if (action == ATOM_TRANSMITTER_ACTION_POWER_ON) {
@@ -1312,7 +1288,7 @@ amdgpu_atombios_encoder_setup_external_encoder(struct drm_encoder *encoder,
DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
return;
}
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
}
static void
@@ -1657,7 +1633,7 @@ amdgpu_atombios_encoder_set_crtc_source(struct drm_encoder *encoder)
return;
}
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
}
/* This only needs to be called once at startup */
@@ -1730,7 +1706,7 @@ amdgpu_atombios_encoder_dac_load_detect(struct drm_encoder *encoder,
args.sDacload.ucMisc = DAC_LOAD_MISC_YPrPb;
}
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
+ amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
return true;
} else
@@ -2088,24 +2064,25 @@ amdgpu_atombios_encoder_get_lcd_info(struct amdgpu_encoder *encoder)
case LCD_FAKE_EDID_PATCH_RECORD_TYPE:
fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record;
if (fake_edid_record->ucFakeEDIDLength) {
- struct edid *edid;
- int edid_size =
- max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength);
- edid = kmalloc(edid_size, GFP_KERNEL);
- if (edid) {
- memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0],
- fake_edid_record->ucFakeEDIDLength);
-
- if (drm_edid_is_valid(edid)) {
- adev->mode_info.bios_hardcoded_edid = edid;
- adev->mode_info.bios_hardcoded_edid_size = edid_size;
- } else
- kfree(edid);
- }
+ const struct drm_edid *edid;
+ int edid_size;
+
+ if (fake_edid_record->ucFakeEDIDLength == 128)
+ edid_size = fake_edid_record->ucFakeEDIDLength;
+ else
+ edid_size = fake_edid_record->ucFakeEDIDLength * 128;
+ edid = drm_edid_alloc(fake_edid_record->ucFakeEDIDString, edid_size);
+ if (drm_edid_valid(edid))
+ adev->mode_info.bios_hardcoded_edid = edid;
+ else
+ drm_edid_free(edid);
+ record += struct_size(fake_edid_record,
+ ucFakeEDIDString,
+ edid_size);
+ } else {
+ /* empty fake edid record must be 3 bytes long */
+ record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1;
}
- record += fake_edid_record->ucFakeEDIDLength ?
- fake_edid_record->ucFakeEDIDLength + 2 :
- sizeof(ATOM_FAKE_EDID_PATCH_RECORD);
break;
case LCD_PANEL_RESOLUTION_RECORD_TYPE:
panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record;
generated by cgit (git 2.34.1) at 2025-12-22 12:37:47 +0000