Merge tag 'amd-drm-next-5.8-2020-04-24' of git://people.freedesktop.org/~agd5f/linux into drm-next

amd-drm-next-5.8-2020-04-24:

amdgpu:
- Documentation improvements
- Enable FRU chip access on boards that support it
- RAS updates
- SR-IOV updates
- Powerplay locking fixes for older SMU versions
- VCN DPG (dynamic powergating) cleanup
- VCN 2.5 DPG enablement
- Rework GPU scheduler handling
- Improve scheduler priority handling
- Add SPM (streaming performance monitor) golden settings for navi
- GFX10 clockgating fixes
- DC ABM (automatic backlight modulation) fixes
- DC cursor and plane fixes
- DC watermark fixes
- DC clock handling fixes
- DC color management fixes
- GPU reset fixes
- Clean up MMIO access macros
- EEPROM access fixes
- Misc code cleanups

amdkfd:
- Misc code cleanups

radeon:
- Clean up safe reg list generation
- Misc code cleanups

From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200424190827.4542-1-alexander.deucher@amd.com

1 files changed, 18 insertions, 7 deletions

diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index ce32cc7933c4..0a1a851741c5 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -70,7 +70,7 @@ static inline uint32_t dmub_align(uint32_t val, uint32_t factor)
 	return (val + factor - 1) / factor * factor;
 }
 
-static void dmub_flush_buffer_mem(const struct dmub_fb *fb)
+void dmub_flush_buffer_mem(const struct dmub_fb *fb)
 {
 	const uint8_t *base = (const uint8_t *)fb->cpu_addr;
 	uint8_t buf[64];
@@ -91,17 +91,29 @@ static void dmub_flush_buffer_mem(const struct dmub_fb *fb)
 }
 
 static const struct dmub_fw_meta_info *
-dmub_get_fw_meta_info(const uint8_t *fw_bss_data, uint32_t fw_bss_data_size)
+dmub_get_fw_meta_info(const struct dmub_srv_region_params *params)
 {
 	const union dmub_fw_meta *meta;
+	const uint8_t *blob = NULL;
+	uint32_t blob_size = 0;
+
+	if (params->fw_bss_data) {
+		/* Legacy metadata region. */
+		blob = params->fw_bss_data;
+		blob_size = params->bss_data_size;
+	} else if (params->fw_inst_const) {
+		/* Combined metadata region. */
+		blob = params->fw_inst_const;
+		blob_size = params->inst_const_size;
+	}
 
-	if (fw_bss_data == NULL)
+	if (!blob || !blob_size)
 		return NULL;
 
-	if (fw_bss_data_size < sizeof(union dmub_fw_meta) + DMUB_FW_META_OFFSET)
+	if (blob_size < sizeof(union dmub_fw_meta) + DMUB_FW_META_OFFSET)
 		return NULL;
 
-	meta = (const union dmub_fw_meta *)(fw_bss_data + fw_bss_data_size -
+	meta = (const union dmub_fw_meta *)(blob + blob_size -
 					    DMUB_FW_META_OFFSET -
 					    sizeof(union dmub_fw_meta));
 
@@ -247,8 +259,7 @@ dmub_srv_calc_region_info(struct dmub_srv *dmub,
 	mail->base = dmub_align(bios->top, 256);
 	mail->top = mail->base + DMUB_MAILBOX_SIZE;
 
-	fw_info = dmub_get_fw_meta_info(params->fw_bss_data,
-					params->bss_data_size);
+	fw_info = dmub_get_fw_meta_info(params);
 
 	if (fw_info) {
 		fw_state_size = fw_info->fw_region_size;