Linux-libre 4.7.1-gnupck-4.7.1-gnu

1 files changed, 64 insertions, 21 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index ca7d2a840..e50963d4f 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -34,6 +34,7 @@
 #include <drm/drm.h>
 
 #include "radeon.h"
+#include "radeon_ucode.h"
 #include "r600d.h"
 
 /* 1 second timeout */
@@ -47,6 +48,7 @@
 #define FIRMWARE_CYPRESS	"/*(DEBLOBBED)*/"
 #define FIRMWARE_SUMO		"/*(DEBLOBBED)*/"
 #define FIRMWARE_TAHITI		"/*(DEBLOBBED)*/"
+#define FIRMWARE_BONAIRE_LEGACY	"/*(DEBLOBBED)*/"
 #define FIRMWARE_BONAIRE	"/*(DEBLOBBED)*/"
 
 /*(DEBLOBBED)*/
@@ -56,7 +58,7 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work);
 int radeon_uvd_init(struct radeon_device *rdev)
 {
 	unsigned long bo_size;
-	const char *fw_name;
+	const char *fw_name = NULL, *legacy_fw_name = NULL;
 	int i, r;
 
 	INIT_DELAYED_WORK(&rdev->uvd.idle_work, radeon_uvd_idle_work_handler);
@@ -67,22 +69,22 @@ int radeon_uvd_init(struct radeon_device *rdev)
 	case CHIP_RV670:
 	case CHIP_RV620:
 	case CHIP_RV635:
-		fw_name = FIRMWARE_R600;
+		legacy_fw_name = FIRMWARE_R600;
 		break;
 
 	case CHIP_RS780:
 	case CHIP_RS880:
-		fw_name = FIRMWARE_RS780;
+		legacy_fw_name = FIRMWARE_RS780;
 		break;
 
 	case CHIP_RV770:
-		fw_name = FIRMWARE_RV770;
+		legacy_fw_name = FIRMWARE_RV770;
 		break;
 
 	case CHIP_RV710:
 	case CHIP_RV730:
 	case CHIP_RV740:
-		fw_name = FIRMWARE_RV710;
+		legacy_fw_name = FIRMWARE_RV710;
 		break;
 
 	case CHIP_CYPRESS:
@@ -90,7 +92,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
 	case CHIP_JUNIPER:
 	case CHIP_REDWOOD:
 	case CHIP_CEDAR:
-		fw_name = FIRMWARE_CYPRESS;
+		legacy_fw_name = FIRMWARE_CYPRESS;
 		break;
 
 	case CHIP_SUMO:
@@ -100,7 +102,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
 	case CHIP_BARTS:
 	case CHIP_TURKS:
 	case CHIP_CAICOS:
-		fw_name = FIRMWARE_SUMO;
+		legacy_fw_name = FIRMWARE_SUMO;
 		break;
 
 	case CHIP_TAHITI:
@@ -108,7 +110,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
 	case CHIP_PITCAIRN:
 	case CHIP_ARUBA:
 	case CHIP_OLAND:
-		fw_name = FIRMWARE_TAHITI;
+		legacy_fw_name = FIRMWARE_TAHITI;
 		break;
 
 	case CHIP_BONAIRE:
@@ -116,6 +118,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
 	case CHIP_KAVERI:
 	case CHIP_HAWAII:
 	case CHIP_MULLINS:
+		legacy_fw_name = FIRMWARE_BONAIRE_LEGACY;
 		fw_name = FIRMWARE_BONAIRE;
 		break;
 
@@ -123,16 +126,56 @@ int radeon_uvd_init(struct radeon_device *rdev)
 		return -EINVAL;
 	}
 
-	r = reject_firmware(&rdev->uvd_fw, fw_name, rdev->dev);
-	if (r) {
-		dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n",
-			fw_name);
-		return r;
+	rdev->uvd.fw_header_present = false;
+	rdev->uvd.max_handles = RADEON_DEFAULT_UVD_HANDLES;
+	if (fw_name) {
+		/* Let's try to load the newer firmware first */
+		r = reject_firmware(&rdev->uvd_fw, fw_name, rdev->dev);
+		if (r) {
+			dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n",
+				fw_name);
+		} else {
+			struct common_firmware_header *hdr = (void *)rdev->uvd_fw->data;
+			unsigned version_major, version_minor, family_id;
+
+			r = radeon_ucode_validate(rdev->uvd_fw);
+			if (r)
+				return r;
+
+			rdev->uvd.fw_header_present = true;
+
+			family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
+			version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
+			version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
+			DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
+				 version_major, version_minor, family_id);
+
+			/*
+			 * Limit the number of UVD handles depending on
+			 * microcode major and minor versions.
+			 */
+			if ((version_major >= 0x01) && (version_minor >= 0x37))
+				rdev->uvd.max_handles = RADEON_MAX_UVD_HANDLES;
+		}
+	}
+
+	/*
+	 * In case there is only legacy firmware, or we encounter an error
+	 * while loading the new firmware, we fall back to loading the legacy
+	 * firmware now.
+	 */
+	if (!fw_name || r) {
+		r = reject_firmware(&rdev->uvd_fw, legacy_fw_name, rdev->dev);
+		if (r) {
+			dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n",
+				legacy_fw_name);
+			return r;
+		}
 	}
 
 	bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) +
 		  RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE +
-		  RADEON_GPU_PAGE_SIZE;
+		  RADEON_UVD_SESSION_SIZE * rdev->uvd.max_handles;
 	r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true,
 			     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
 			     NULL, &rdev->uvd.vcpu_bo);
@@ -165,7 +208,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
 
 	radeon_bo_unreserve(rdev->uvd.vcpu_bo);
 
-	for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
+	for (i = 0; i < rdev->uvd.max_handles; ++i) {
 		atomic_set(&rdev->uvd.handles[i], 0);
 		rdev->uvd.filp[i] = NULL;
 		rdev->uvd.img_size[i] = 0;
@@ -202,7 +245,7 @@ int radeon_uvd_suspend(struct radeon_device *rdev)
 	if (rdev->uvd.vcpu_bo == NULL)
 		return 0;
 
-	for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
+	for (i = 0; i < rdev->uvd.max_handles; ++i) {
 		uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
 		if (handle != 0) {
 			struct radeon_fence *fence;
@@ -277,7 +320,7 @@ void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo,
 void radeon_uvd_free_handles(struct radeon_device *rdev, struct drm_file *filp)
 {
 	int i, r;
-	for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
+	for (i = 0; i < rdev->uvd.max_handles; ++i) {
 		uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
 		if (handle != 0 && rdev->uvd.filp[i] == filp) {
 			struct radeon_fence *fence;
@@ -462,7 +505,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 			return r;
 
 		/* try to alloc a new handle */
-		for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
+		for (i = 0; i < p->rdev->uvd.max_handles; ++i) {
 			if (atomic_read(&p->rdev->uvd.handles[i]) == handle) {
 				DRM_ERROR("Handle 0x%x already in use!\n", handle);
 				return -EINVAL;
@@ -488,7 +531,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 			return r;
 
 		/* validate the handle */
-		for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
+		for (i = 0; i < p->rdev->uvd.max_handles; ++i) {
 			if (atomic_read(&p->rdev->uvd.handles[i]) == handle) {
 				if (p->rdev->uvd.filp[i] != p->filp) {
 					DRM_ERROR("UVD handle collision detected!\n");
@@ -503,7 +546,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 
 	case 2:
 		/* it's a destroy msg, free the handle */
-		for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i)
+		for (i = 0; i < p->rdev->uvd.max_handles; ++i)
 			atomic_cmpxchg(&p->rdev->uvd.handles[i], handle, 0);
 		radeon_bo_kunmap(bo);
 		return 0;
@@ -802,7 +845,7 @@ static void radeon_uvd_count_handles(struct radeon_device *rdev,
 	*sd = 0;
 	*hd = 0;
 
-	for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
+	for (i = 0; i < rdev->uvd.max_handles; ++i) {
 		if (!atomic_read(&rdev->uvd.handles[i]))
 			continue;