From 5cc027f6b1ec651c18a4322ed3e30c6e9cf01e96 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 18 Feb 2013 17:50:51 -0500 Subject: [PATCH] drm/nv50-/disp: handle supervisor tasks from workqueue i2c_algo_bit sleeps... Signed-off-by: Ben Skeggs --- .../gpu/drm/nouveau/core/engine/disp/nv50.c | 22 +++++---- .../gpu/drm/nouveau/core/engine/disp/nv50.h | 6 +++ .../gpu/drm/nouveau/core/engine/disp/nv84.c | 1 + .../gpu/drm/nouveau/core/engine/disp/nv94.c | 1 + .../gpu/drm/nouveau/core/engine/disp/nva0.c | 1 + .../gpu/drm/nouveau/core/engine/disp/nva3.c | 1 + .../gpu/drm/nouveau/core/engine/disp/nvd0.c | 47 ++++++++++--------- .../gpu/drm/nouveau/core/engine/disp/nve0.c | 1 + drivers/gpu/drm/nouveau/nv50_display.c | 5 +- 9 files changed, 53 insertions(+), 32 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index c3806122d77..d22f6569768 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -940,7 +940,6 @@ nv50_disp_intr_unk10(struct nv50_disp_priv *priv, u32 super) exec_script(priv, head, 1); } - nv_wr32(priv, 0x610024, 0x00000010); nv_wr32(priv, 0x610030, 0x80000000); } @@ -1097,7 +1096,6 @@ nv50_disp_intr_unk20(struct nv50_disp_priv *priv, u32 super) } } - nv_wr32(priv, 0x610024, 0x00000020); nv_wr32(priv, 0x610030, 0x80000000); } @@ -1136,22 +1134,23 @@ nv50_disp_intr_unk40(struct nv50_disp_priv *priv, u32 super) } } - nv_wr32(priv, 0x610024, 0x00000040); nv_wr32(priv, 0x610030, 0x80000000); } -static void -nv50_disp_intr_super(struct nv50_disp_priv *priv, u32 intr1) +void +nv50_disp_intr_supervisor(struct work_struct *work) { + struct nv50_disp_priv *priv = + container_of(work, struct nv50_disp_priv, supervisor); u32 super = nv_rd32(priv, 0x610030); - nv_debug(priv, "supervisor 0x%08x 0x%08x\n", intr1, super); + nv_debug(priv, "supervisor 0x%08x 0x%08x\n", priv->super, super); - if (intr1 & 0x00000010) + if (priv->super & 0x00000010) nv50_disp_intr_unk10(priv, super); - if (intr1 & 0x00000020) + if (priv->super & 0x00000020) nv50_disp_intr_unk20(priv, super); - if (intr1 & 0x00000040) + if (priv->super & 0x00000040) nv50_disp_intr_unk40(priv, super); } @@ -1180,7 +1179,9 @@ nv50_disp_intr(struct nouveau_subdev *subdev) } if (intr1 & 0x00000070) { - nv50_disp_intr_super(priv, intr1); + priv->super = (intr1 & 0x00000070); + schedule_work(&priv->supervisor); + nv_wr32(priv, 0x610024, priv->super); intr1 &= ~0x00000070; } } @@ -1202,6 +1203,7 @@ nv50_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, nv_engine(priv)->sclass = nv50_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nv50_disp_intr; + INIT_WORK(&priv->supervisor, nv50_disp_intr_supervisor); priv->sclass = nv50_disp_sclass; priv->head.nr = 2; priv->dac.nr = 3; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h index fc897181fa3..b88a6212981 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h @@ -15,6 +15,10 @@ struct dcb_output; struct nv50_disp_priv { struct nouveau_disp base; struct nouveau_oclass *sclass; + + struct work_struct supervisor; + u32 super; + struct { int nr; } head; @@ -126,6 +130,7 @@ extern struct nouveau_ofuncs nv50_disp_oimm_ofuncs; extern struct nouveau_ofuncs nv50_disp_curs_ofuncs; extern struct nouveau_ofuncs nv50_disp_base_ofuncs; extern struct nouveau_oclass nv50_disp_cclass; +void nv50_disp_intr_supervisor(struct work_struct *); void nv50_disp_intr(struct nouveau_subdev *); extern struct nouveau_omthds nv84_disp_base_omthds[]; @@ -139,6 +144,7 @@ extern struct nouveau_ofuncs nvd0_disp_oimm_ofuncs; extern struct nouveau_ofuncs nvd0_disp_curs_ofuncs; extern struct nouveau_ofuncs nvd0_disp_base_ofuncs; extern struct nouveau_oclass nvd0_disp_cclass; +void nvd0_disp_intr_supervisor(struct work_struct *); void nvd0_disp_intr(struct nouveau_subdev *); #endif diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c index a2153424605..9ec942a0f9f 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c @@ -72,6 +72,7 @@ nv84_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, nv_engine(priv)->sclass = nv84_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nv50_disp_intr; + INIT_WORK(&priv->supervisor, nv50_disp_intr_supervisor); priv->sclass = nv84_disp_sclass; priv->head.nr = 2; priv->dac.nr = 3; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c index a315e28ac17..a838bdd2019 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c @@ -78,6 +78,7 @@ nv94_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, nv_engine(priv)->sclass = nv94_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nv50_disp_intr; + INIT_WORK(&priv->supervisor, nv50_disp_intr_supervisor); priv->sclass = nv94_disp_sclass; priv->head.nr = 2; priv->dac.nr = 3; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c index 480e2ded95f..ce539ca1d30 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c @@ -62,6 +62,7 @@ nva0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, nv_engine(priv)->sclass = nva0_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nv50_disp_intr; + INIT_WORK(&priv->supervisor, nv50_disp_intr_supervisor); priv->sclass = nva0_disp_sclass; priv->head.nr = 2; priv->dac.nr = 3; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c index 718b4f66352..bd2bb475108 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c @@ -79,6 +79,7 @@ nva3_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, nv_engine(priv)->sclass = nva3_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nv50_disp_intr; + INIT_WORK(&priv->supervisor, nv50_disp_intr_supervisor); priv->sclass = nva3_disp_sclass; priv->head.nr = 2; priv->dac.nr = 3; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c index 77cc7302407..1c91eb1679a 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c @@ -835,6 +835,26 @@ nvd0_display_unk4_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) nv_wr32(priv, 0x6101d0, 0x80000000); } +void +nvd0_disp_intr_supervisor(struct work_struct *work) +{ + struct nv50_disp_priv *priv = + container_of(work, struct nv50_disp_priv, supervisor); + u32 mask = 0, head = ~0; + + while (!mask && ++head < priv->head.nr) + mask = nv_rd32(priv, 0x6101d4 + (head * 0x800)); + + nv_debug(priv, "supervisor %08x %08x %d\n", priv->super, mask, head); + + if (priv->super & 0x00000001) + nvd0_display_unk1_handler(priv, head, mask); + if (priv->super & 0x00000002) + nvd0_display_unk2_handler(priv, head, mask); + if (priv->super & 0x00000004) + nvd0_display_unk4_handler(priv, head, mask); +} + void nvd0_disp_intr(struct nouveau_subdev *subdev) { @@ -868,27 +888,11 @@ nvd0_disp_intr(struct nouveau_subdev *subdev) if (intr & 0x00100000) { u32 stat = nv_rd32(priv, 0x6100ac); - u32 mask = 0, crtc = ~0; - - while (!mask && ++crtc < priv->head.nr) - mask = nv_rd32(priv, 0x6101d4 + (crtc * 0x800)); - - if (stat & 0x00000001) { - nv_wr32(priv, 0x6100ac, 0x00000001); - nvd0_display_unk1_handler(priv, crtc, mask); - stat &= ~0x00000001; - } - - if (stat & 0x00000002) { - nv_wr32(priv, 0x6100ac, 0x00000002); - nvd0_display_unk2_handler(priv, crtc, mask); - stat &= ~0x00000002; - } - - if (stat & 0x00000004) { - nv_wr32(priv, 0x6100ac, 0x00000004); - nvd0_display_unk4_handler(priv, crtc, mask); - stat &= ~0x00000004; + if (stat & 0x00000007) { + priv->super = (stat & 0x00000007); + schedule_work(&priv->supervisor); + nv_wr32(priv, 0x6100ac, priv->super); + stat &= ~0x00000007; } if (stat) { @@ -929,6 +933,7 @@ nvd0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, nv_engine(priv)->sclass = nvd0_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nvd0_disp_intr; + INIT_WORK(&priv->supervisor, nvd0_disp_intr_supervisor); priv->sclass = nvd0_disp_sclass; priv->head.nr = heads; priv->dac.nr = 3; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c index 5512296a61d..65c19ca073b 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c @@ -63,6 +63,7 @@ nve0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, nv_engine(priv)->sclass = nve0_disp_base_oclass; nv_engine(priv)->cclass = &nv50_disp_cclass; nv_subdev(priv)->intr = nvd0_disp_intr; + INIT_WORK(&priv->supervisor, nvd0_disp_intr_supervisor); priv->sclass = nve0_disp_sclass; priv->head.nr = heads; priv->dac.nr = 3; diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 75d116137c0..2cd37979dcd 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -424,7 +424,10 @@ evo_kick(u32 *push, void *evoc) static bool evo_sync_wait(void *data) { - return nouveau_bo_rd32(data, EVO_MAST_NTFY) != 0x00000000; + if (nouveau_bo_rd32(data, EVO_MAST_NTFY) != 0x00000000) + return true; + usleep_range(1, 2); + return false; } static int -- 2.20.1