linux-kernel - [ 52/57] drm/radeon/cayman: add some missing regs to the VM reg checker

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Message-Id: <20121115040936.330931137@linuxfoundation.org>
Date:	Wed, 14 Nov 2012 20:12:00 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Alex Deucher <alexander.deucher@....com>,
	Michel DÃ€nzer <michel.daenzer@....com>
Subject: [ 52/57] drm/radeon/cayman: add some missing regs to the VM reg checker

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

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

From: Alex Deucher <alexander.deucher@....com>

commit 860fe2f05fa2eacac84368e23547ec8cf3cc6652 upstream.

These regs were being wronly rejected leading to rendering
issues.

fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=56876

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

---
 drivers/gpu/drm/radeon/evergreen_cs.c |    3 +++
 drivers/gpu/drm/radeon/evergreend.h   |    4 ++++
 2 files changed, 7 insertions(+)

--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -2671,6 +2671,9 @@ static bool evergreen_vm_reg_valid(u32 r
 	/* check config regs */
 	switch (reg) {
 	case GRBM_GFX_INDEX:
+	case CP_STRMOUT_CNTL:
+	case CP_COHER_CNTL:
+	case CP_COHER_SIZE:
 	case VGT_VTX_VECT_EJECT_REG:
 	case VGT_CACHE_INVALIDATION:
 	case VGT_GS_VERTEX_REUSE:
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -77,6 +77,10 @@
 
 #define	CONFIG_MEMSIZE					0x5428
 
+#define	CP_STRMOUT_CNTL					0x84FC
+
+#define	CP_COHER_CNTL					0x85F0
+#define	CP_COHER_SIZE					0x85F4
 #define	CP_COHER_BASE					0x85F8
 #define CP_ME_CNTL					0x86D8
 #define		CP_ME_HALT					(1 << 28)


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