The patch below does not apply to the 3.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From d83671126dc8e7c0b56c9970ea5ffd08c3b0c645 Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexander.deucher@xxxxxxx> Date: Wed, 16 Oct 2013 11:36:30 -0400 Subject: [PATCH] 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@xxxxxxx> Tested-by: Mikko Rapeli <mikko.rapeli@xxxxxx> Cc: stable@xxxxxxxxxxxxxxx diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 93c1f9ef5da9..cac2866d79da 100644 --- 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 index 2a1b1876b431..f9be22062df1 100644 --- 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 index d4652af425b8..d96f7cbca0a1 100644 --- 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", -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html