linux-kernel - [PATCH 3.14 071/228] drm/radeon: re-enable mclk dpm on R7 260X asics

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20140604232350.334876252@linuxfoundation.org>
Date:	Wed,  4 Jun 2014 16:21:40 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 3.14 071/228] drm/radeon: re-enable mclk dpm on R7 260X asics

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexdeucher@...il.com>

commit 7e1858f9aff7d608b3d0abad4bda0130de887b89 upstream.

If the new mc ucode is available.

Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/radeon/ci_dpm.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -21,8 +21,10 @@
  *
  */
 
+#include <linux/firmware.h>
 #include "drmP.h"
 #include "radeon.h"
+#include "radeon_ucode.h"
 #include "cikd.h"
 #include "r600_dpm.h"
 #include "ci_dpm.h"
@@ -5106,9 +5108,11 @@ int ci_dpm_init(struct radeon_device *rd
 	pi->mclk_dpm_key_disabled = 0;
 	pi->pcie_dpm_key_disabled = 0;
 
-	/* mclk dpm is unstable on some R7 260X cards */
-	if (rdev->pdev->device == 0x6658)
+	/* mclk dpm is unstable on some R7 260X cards with the old mc ucode */
+	if ((rdev->pdev->device == 0x6658) &&
+	    (rdev->mc_fw->size == (BONAIRE_MC_UCODE_SIZE * 4))) {
 		pi->mclk_dpm_key_disabled = 1;
+	}
 
 	pi->caps_sclk_ds = true;
 


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/