[Intel-gfx] [PATCH] drm/i915/gt: Do not add same i915_request to intel_context twice
From: "Yang, Dong" With unknow race condition, the i915_request will be added to intel_context list twice, and result in system panic. If node alreay exist then do not add it again. Signed-off-by: Yang, Dong --- drivers/gpu/drm/i915/gt/intel_breadcrumbs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c index 209cf265bf74..9c7bc060d2ae 100644 --- a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c @@ -387,6 +387,9 @@ static void insert_breadcrumb(struct i915_request *rq) } } + if (&rq->signal_link == pos) + return; + i915_request_get(rq); list_add_rcu(&rq->signal_link, pos); GEM_BUG_ON(!check_signal_order(ce, rq)); -- 2.27.0
[Intel-gfx] [PATCH v2] drm/i915: Remove i915 ggtt WA since GT E0
From: "Yang, Dong" Broxton steppings starting from GT E0 have fixed the bug, remove WA since stepping GT E0. v2: use BXT_REVID_D_LAST replace BXT_REVID_D0, by: Joonas Lahtinen Signed-off-by: Yang, Dong --- drivers/gpu/drm/i915/i915_drv.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 5f3e5c13fbaa..b1cda9dcbea4 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2141,6 +2141,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define BXT_REVID_B0 0x3 #define BXT_REVID_B_LAST 0x8 #define BXT_REVID_C0 0x9 +#define BXT_REVID_D_LAST 0xC +#define BXT_REVID_E0 0xD #define IS_BXT_REVID(dev_priv, since, until) \ (IS_BROXTON(dev_priv) && IS_REVID(dev_priv, since, until)) @@ -2357,7 +2359,7 @@ static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv) static inline bool intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv) { - return IS_BROXTON(dev_priv) && intel_vtd_active(); + return IS_BXT_REVID(dev_priv, 0, BXT_REVID_D_LAST) && intel_vtd_active(); } /* i915_drv.c */ -- 2.22.0 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH v2] drm/i915: Remove i915 ggtt WA since GT E0
From: "Yang, Dong" Broxton steppings starting from GT E0 have fixed the bug, remove WA since stepping GT E0. v2: add comment in code, by: Joonas Lahtinen Signed-off-by: Yang, Dong --- drivers/gpu/drm/i915/i915_drv.h | 5 - 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 5f3e5c13fbaa..a0dfd1926b1b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2141,6 +2141,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define BXT_REVID_B0 0x3 #define BXT_REVID_B_LAST 0x8 #define BXT_REVID_C0 0x9 +#define BXT_REVID_D0 0xC +#define BXT_REVID_E0 0xD #define IS_BXT_REVID(dev_priv, since, until) \ (IS_BROXTON(dev_priv) && IS_REVID(dev_priv, since, until)) @@ -2357,7 +2359,8 @@ static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv) static inline bool intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv) { - return IS_BROXTON(dev_priv) && intel_vtd_active(); + /* Broxton steppings starting from E0 have fixed the bug. */ + return IS_BXT_REVID(dev_priv, 0, BXT_REVID_D0) && intel_vtd_active(); } /* i915_drv.c */ -- 2.22.0 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH] drm/i915: Remove i915 ggtt WA since GT E0
From: "Yang, Dong" Broxton steppings starting from GT E0 have fixed the bug, remove WA since stepping GT E0. Signed-off-by: Yang, Dong --- drivers/gpu/drm/i915/i915_drv.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 5f3e5c13fbaa..95519bac8948 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2141,6 +2141,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define BXT_REVID_B0 0x3 #define BXT_REVID_B_LAST 0x8 #define BXT_REVID_C0 0x9 +#define BXT_REVID_D0 0xC +#define BXT_REVID_E0 0xD #define IS_BXT_REVID(dev_priv, since, until) \ (IS_BROXTON(dev_priv) && IS_REVID(dev_priv, since, until)) @@ -2357,7 +2359,7 @@ static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv) static inline bool intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv) { - return IS_BROXTON(dev_priv) && intel_vtd_active(); + return IS_BXT_REVID(dev_priv, 0, BXT_REVID_D0) && intel_vtd_active(); } /* i915_drv.c */ -- 2.22.0 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH] drm/i915: Remove i915 ggtt WA since GT E
From: "Yang, Dong" The APL already fixed this bug since GT E, bug exist from 0 to D, apply WA according GT stepping. Signed-off-by: Yang, Dong --- drivers/gpu/drm/i915/i915_drv.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 5f3e5c13fbaa..95519bac8948 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2141,6 +2141,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define BXT_REVID_B0 0x3 #define BXT_REVID_B_LAST 0x8 #define BXT_REVID_C0 0x9 +#define BXT_REVID_D0 0xC +#define BXT_REVID_E0 0xD #define IS_BXT_REVID(dev_priv, since, until) \ (IS_BROXTON(dev_priv) && IS_REVID(dev_priv, since, until)) @@ -2357,7 +2359,7 @@ static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv) static inline bool intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv) { - return IS_BROXTON(dev_priv) && intel_vtd_active(); + return IS_BXT_REVID(dev_priv, 0, BXT_REVID_D0) && intel_vtd_active(); } /* i915_drv.c */ -- 2.22.0 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH] drm/i915: Remove i915 ggtt WA since GT E
From: "Yang, Dong" The APL already fixed this bug since GT E, bug exist from 0 to D, apply WA according GT stepping. Signed-off-by: Yang, Dong --- drivers/gpu/drm/i915/i915_drv.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 5f3e5c13fbaa..ee384c28174a 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2141,6 +2141,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define BXT_REVID_B0 0x3 #define BXT_REVID_B_LAST 0x8 #define BXT_REVID_C0 0x9 +#define BXT_REVID_D0 0xC +#define BXT_REVID_E0 0xD #define IS_BXT_REVID(dev_priv, since, until) \ (IS_BROXTON(dev_priv) && IS_REVID(dev_priv, since, until)) @@ -2357,7 +2359,7 @@ static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv) static inline bool intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv) { - return IS_BROXTON(dev_priv) && intel_vtd_active(); + return return IS_BXT_REVID(dev_priv, 0, BXT_REVID_D0) && intel_vtd_active(); } /* i915_drv.c */ -- 2.22.0 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx