drm/radeon: make missing smc ucode non-fatal (r7xx-SI)

Prevent driver load problems if the smc is missing. bug: https://bugzilla.kernel.org/show_bug.cgi?id=63011 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Tested-by: Mikko Rapeli <mikko.rapeli@iki.fi> Cc: stable@vger.kernel.org
mariux64 · Oct 18, 2013 · d836711 · d836711
1 parent bcf6f1e
commit d836711
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Showing 3 changed files with 3 additions and 0 deletions.
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
@@ -804,6 +804,7 @@ int ni_init_microcode(struct radeon_device *rdev)
 			       fw_name);
 			release_firmware(rdev->smc_fw);
 			rdev->smc_fw = NULL;
+			err = 0;
 		} else if (rdev->smc_fw->size != smc_req_size) {
 			printk(KERN_ERR
 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
@@ -2302,6 +2302,7 @@ int r600_init_microcode(struct radeon_device *rdev)
 			       fw_name);
 			release_firmware(rdev->smc_fw);
 			rdev->smc_fw = NULL;
+			err = 0;
 		} else if (rdev->smc_fw->size != smc_req_size) {
 			printk(KERN_ERR
 			       "smc: Bogus length %zu in firmware \"%s\"\n",

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
@@ -1681,6 +1681,7 @@ static int si_init_microcode(struct radeon_device *rdev)
 		       fw_name);
 		release_firmware(rdev->smc_fw);
 		rdev->smc_fw = NULL;
+		err = 0;
 	} else if (rdev->smc_fw->size != smc_req_size) {
 		printk(KERN_ERR
 		       "si_smc: Bogus length %zu in firmware \"%s\"\n",