Re: [Intel-gfx] [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only
-Original Message- From: Daniel Vetter [mailto:daniel.vet...@ffwll.ch] Sent: Wednesday, January 22, 2014 2:40 PM To: Intel Graphics Development Cc: Daniel Vetter; Chris Wilson; Runyan, Arthur J; Dave Airlie Subject: [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only At least I couldn't find it in the Haswell Bspec any more and we've tried to test-boot a Haswell machine with num_pipes forced to 0 (i.e. hit the PCH_NOP path) and the unclaimed register logic complained. So restrict this dance to just ivb platforms. v2: Art pointed out that the bits simply moved on hsw+ v3: Buy code terseneness with a notch of sublety as suggested by Chris. v4: Frob the right bit, spotted by Art. Cc: Chris Wilson ch...@chris-wilson.co.uk Cc: Arthur Ranyan arthur.j.run...@intel.com Cc: Dave Airlie airl...@gmail.com Signed-off-by: Daniel Vetter daniel.vet...@ffwll.ch Reviewed-by: Art Runyan arthur.j.run...@intel.com --- drivers/gpu/drm/i915/i915_gem.c | 12 +--- drivers/gpu/drm/i915/i915_reg.h | 2 ++ 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32636a470367..c57ecff4ea00 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4496,9 +4496,15 @@ i915_gem_init_hw(struct drm_device *dev) LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED); if (HAS_PCH_NOP(dev)) { - u32 temp = I915_READ(GEN7_MSG_CTL); - temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); - I915_WRITE(GEN7_MSG_CTL, temp); + if (IS_IVYBRIDGE(dev)) { + u32 temp = I915_READ(GEN7_MSG_CTL); + temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); + I915_WRITE(GEN7_MSG_CTL, temp); + } else if (INTEL_INFO(dev)-gen = 7) { + u32 temp = I915_READ(HSW_NDE_RSTWRN_OPT); + temp = ~RESET_PCH_HANDSHAKE_ENABLE; + I915_WRITE(HSW_NDE_RSTWRN_OPT, temp); + } } i915_gem_init_swizzling(dev); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 76126e0ae609..775fc26d53b8 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4117,6 +4117,8 @@ #define GEN7_MSG_CTL 0x45010 #define WAIT_FOR_PCH_RESET_ACK (11) #define WAIT_FOR_PCH_FLR_ACK (10) +#define HSW_NDE_RSTWRN_OPT0x46408 +#define RESET_PCH_HANDSHAKE_ENABLE (14) /* GEN7 chicken */ #define GEN7_COMMON_SLICE_CHICKEN10x7010 -- 1.8.5.2 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
Re: [Intel-gfx] [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only
On Sun, Jan 26, 2014 at 08:43:53PM +, Runyan, Arthur J wrote: -Original Message- From: Daniel Vetter [mailto:daniel.vet...@ffwll.ch] Sent: Wednesday, January 22, 2014 2:40 PM To: Intel Graphics Development Cc: Daniel Vetter; Chris Wilson; Runyan, Arthur J; Dave Airlie Subject: [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only At least I couldn't find it in the Haswell Bspec any more and we've tried to test-boot a Haswell machine with num_pipes forced to 0 (i.e. hit the PCH_NOP path) and the unclaimed register logic complained. So restrict this dance to just ivb platforms. v2: Art pointed out that the bits simply moved on hsw+ v3: Buy code terseneness with a notch of sublety as suggested by Chris. v4: Frob the right bit, spotted by Art. Cc: Chris Wilson ch...@chris-wilson.co.uk Cc: Arthur Ranyan arthur.j.run...@intel.com Cc: Dave Airlie airl...@gmail.com Signed-off-by: Daniel Vetter daniel.vet...@ffwll.ch Reviewed-by: Art Runyan arthur.j.run...@intel.com Queued for -next, thanks for the review. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only
At least I couldn't find it in the Haswell Bspec any more and we've tried to test-boot a Haswell machine with num_pipes forced to 0 (i.e. hit the PCH_NOP path) and the unclaimed register logic complained. So restrict this dance to just ivb platforms. Cc: Arthur Ranyan arthur.j.run...@intel.com Cc: Dave Airlie airl...@gmail.com Signed-off-by: Daniel Vetter daniel.vet...@ffwll.ch --- drivers/gpu/drm/i915/i915_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32636a470367..13a5003b320a 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4495,7 +4495,7 @@ i915_gem_init_hw(struct drm_device *dev) I915_WRITE(MI_PREDICATE_RESULT_2, IS_HSW_GT3(dev) ? LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED); - if (HAS_PCH_NOP(dev)) { + if (HAS_PCH_NOP(dev) IS_IVYBRIDGE(dev)) { u32 temp = I915_READ(GEN7_MSG_CTL); temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); I915_WRITE(GEN7_MSG_CTL, temp); -- 1.8.5.2 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
Re: [Intel-gfx] [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only
The equivalent function moved to register NDE_RSTWRN_OPT bit 4 RST PCH Handshake En on Haswell. You'll need to convert the WAIT_FOR_PCH_*_ACK programming over to that new location. -Original Message- From: Daniel Vetter [mailto:daniel.vet...@ffwll.ch] Sent: Wednesday, January 22, 2014 12:57 AM To: Intel Graphics Development Cc: Daniel Vetter; Runyan, Arthur J; Dave Airlie Subject: [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only At least I couldn't find it in the Haswell Bspec any more and we've tried to test-boot a Haswell machine with num_pipes forced to 0 (i.e. hit the PCH_NOP path) and the unclaimed register logic complained. So restrict this dance to just ivb platforms. Cc: Arthur Ranyan arthur.j.run...@intel.com Cc: Dave Airlie airl...@gmail.com Signed-off-by: Daniel Vetter daniel.vet...@ffwll.ch --- drivers/gpu/drm/i915/i915_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32636a470367..13a5003b320a 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4495,7 +4495,7 @@ i915_gem_init_hw(struct drm_device *dev) I915_WRITE(MI_PREDICATE_RESULT_2, IS_HSW_GT3(dev) ? LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED); - if (HAS_PCH_NOP(dev)) { + if (HAS_PCH_NOP(dev) IS_IVYBRIDGE(dev)) { u32 temp = I915_READ(GEN7_MSG_CTL); temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); I915_WRITE(GEN7_MSG_CTL, temp); -- 1.8.5.2 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only
At least I couldn't find it in the Haswell Bspec any more and we've tried to test-boot a Haswell machine with num_pipes forced to 0 (i.e. hit the PCH_NOP path) and the unclaimed register logic complained. So restrict this dance to just ivb platforms. v2: Art pointed out that the bits simply moved on hsw+ Cc: Arthur Ranyan arthur.j.run...@intel.com Cc: Dave Airlie airl...@gmail.com Signed-off-by: Daniel Vetter daniel.vet...@ffwll.ch --- drivers/gpu/drm/i915/i915_gem.c | 12 +--- drivers/gpu/drm/i915/i915_reg.h | 2 ++ 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32636a470367..17b094653621 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4496,9 +4496,15 @@ i915_gem_init_hw(struct drm_device *dev) LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED); if (HAS_PCH_NOP(dev)) { - u32 temp = I915_READ(GEN7_MSG_CTL); - temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); - I915_WRITE(GEN7_MSG_CTL, temp); + if (IS_IVYBRIDGE(dev)) { + u32 temp = I915_READ(GEN7_MSG_CTL); + temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); + I915_WRITE(GEN7_MSG_CTL, temp); + } else if (IS_HASWELL(dev) || INTEL_INFO(dev)-gen = 8) { + u32 temp = I915_READ(HSW_NDE_RSTWRN_OPT); + temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); + I915_WRITE(HSW_NDE_RSTWRN_OPT, temp); + } } i915_gem_init_swizzling(dev); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 76126e0ae609..775fc26d53b8 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4117,6 +4117,8 @@ #define GEN7_MSG_CTL 0x45010 #define WAIT_FOR_PCH_RESET_ACK(11) #define WAIT_FOR_PCH_FLR_ACK (10) +#define HSW_NDE_RSTWRN_OPT 0x46408 +#define RESET_PCH_HANDSHAKE_ENABLE(14) /* GEN7 chicken */ #define GEN7_COMMON_SLICE_CHICKEN1 0x7010 -- 1.8.5.2 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
Re: [Intel-gfx] [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only
On Wed, Jan 22, 2014 at 10:32:04PM +0100, Daniel Vetter wrote: At least I couldn't find it in the Haswell Bspec any more and we've tried to test-boot a Haswell machine with num_pipes forced to 0 (i.e. hit the PCH_NOP path) and the unclaimed register logic complained. So restrict this dance to just ivb platforms. v2: Art pointed out that the bits simply moved on hsw+ Cc: Arthur Ranyan arthur.j.run...@intel.com Cc: Dave Airlie airl...@gmail.com Signed-off-by: Daniel Vetter daniel.vet...@ffwll.ch --- drivers/gpu/drm/i915/i915_gem.c | 12 +--- drivers/gpu/drm/i915/i915_reg.h | 2 ++ 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32636a470367..17b094653621 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4496,9 +4496,15 @@ i915_gem_init_hw(struct drm_device *dev) LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED); if (HAS_PCH_NOP(dev)) { - u32 temp = I915_READ(GEN7_MSG_CTL); - temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); - I915_WRITE(GEN7_MSG_CTL, temp); + if (IS_IVYBRIDGE(dev)) { + u32 temp = I915_READ(GEN7_MSG_CTL); + temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); + I915_WRITE(GEN7_MSG_CTL, temp); + } else if (IS_HASWELL(dev) || INTEL_INFO(dev)-gen = 8) { Increase subtlety with } else if (INTEL_INFO(dev)-gen = 7) { -Chris -- Chris Wilson, Intel Open Source Technology Centre ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only
At least I couldn't find it in the Haswell Bspec any more and we've tried to test-boot a Haswell machine with num_pipes forced to 0 (i.e. hit the PCH_NOP path) and the unclaimed register logic complained. So restrict this dance to just ivb platforms. v2: Art pointed out that the bits simply moved on hsw+ v3: Buy code terseneness with a notch of sublety as suggested by Chris. Cc: Chris Wilson ch...@chris-wilson.co.uk Cc: Arthur Ranyan arthur.j.run...@intel.com Cc: Dave Airlie airl...@gmail.com Signed-off-by: Daniel Vetter daniel.vet...@ffwll.ch --- drivers/gpu/drm/i915/i915_gem.c | 12 +--- drivers/gpu/drm/i915/i915_reg.h | 2 ++ 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32636a470367..517351cd8116 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4496,9 +4496,15 @@ i915_gem_init_hw(struct drm_device *dev) LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED); if (HAS_PCH_NOP(dev)) { - u32 temp = I915_READ(GEN7_MSG_CTL); - temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); - I915_WRITE(GEN7_MSG_CTL, temp); + if (IS_IVYBRIDGE(dev)) { + u32 temp = I915_READ(GEN7_MSG_CTL); + temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); + I915_WRITE(GEN7_MSG_CTL, temp); + } else if (INTEL_INFO(dev)-gen = 7) { + u32 temp = I915_READ(HSW_NDE_RSTWRN_OPT); + temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); + I915_WRITE(HSW_NDE_RSTWRN_OPT, temp); + } } i915_gem_init_swizzling(dev); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 76126e0ae609..775fc26d53b8 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4117,6 +4117,8 @@ #define GEN7_MSG_CTL 0x45010 #define WAIT_FOR_PCH_RESET_ACK(11) #define WAIT_FOR_PCH_FLR_ACK (10) +#define HSW_NDE_RSTWRN_OPT 0x46408 +#define RESET_PCH_HANDSHAKE_ENABLE(14) /* GEN7 chicken */ #define GEN7_COMMON_SLICE_CHICKEN1 0x7010 -- 1.8.5.2 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH] drm/i915: GEN7_MSG_CONTROL is ivb-only
At least I couldn't find it in the Haswell Bspec any more and we've tried to test-boot a Haswell machine with num_pipes forced to 0 (i.e. hit the PCH_NOP path) and the unclaimed register logic complained. So restrict this dance to just ivb platforms. v2: Art pointed out that the bits simply moved on hsw+ v3: Buy code terseneness with a notch of sublety as suggested by Chris. v4: Frob the right bit, spotted by Art. Cc: Chris Wilson ch...@chris-wilson.co.uk Cc: Arthur Ranyan arthur.j.run...@intel.com Cc: Dave Airlie airl...@gmail.com Signed-off-by: Daniel Vetter daniel.vet...@ffwll.ch --- drivers/gpu/drm/i915/i915_gem.c | 12 +--- drivers/gpu/drm/i915/i915_reg.h | 2 ++ 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32636a470367..c57ecff4ea00 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4496,9 +4496,15 @@ i915_gem_init_hw(struct drm_device *dev) LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED); if (HAS_PCH_NOP(dev)) { - u32 temp = I915_READ(GEN7_MSG_CTL); - temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); - I915_WRITE(GEN7_MSG_CTL, temp); + if (IS_IVYBRIDGE(dev)) { + u32 temp = I915_READ(GEN7_MSG_CTL); + temp = ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); + I915_WRITE(GEN7_MSG_CTL, temp); + } else if (INTEL_INFO(dev)-gen = 7) { + u32 temp = I915_READ(HSW_NDE_RSTWRN_OPT); + temp = ~RESET_PCH_HANDSHAKE_ENABLE; + I915_WRITE(HSW_NDE_RSTWRN_OPT, temp); + } } i915_gem_init_swizzling(dev); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 76126e0ae609..775fc26d53b8 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4117,6 +4117,8 @@ #define GEN7_MSG_CTL 0x45010 #define WAIT_FOR_PCH_RESET_ACK(11) #define WAIT_FOR_PCH_FLR_ACK (10) +#define HSW_NDE_RSTWRN_OPT 0x46408 +#define RESET_PCH_HANDSHAKE_ENABLE(14) /* GEN7 chicken */ #define GEN7_COMMON_SLICE_CHICKEN1 0x7010 -- 1.8.5.2 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx