From 030f19f0e24c020e3577d9a0da878e417efc2b39 Mon Sep 17 00:00:00 2001 From: Egbert Eich Date: Tue, 23 Jul 2013 08:44:34 +0200 Subject: drm/mgag200: Fix logic in mgag200_bo_pin() (v2) Add missing 'return 0;'. v2: Simplified patch as suggested by Dave Airlie Signed-off-by: Egbert Eich Signed-off-by: Dave Airlie --- drivers/gpu/drm/mgag200/mgag200_ttm.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/mgag200') diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c index 3acb2b044c7b..13878d5de063 100644 --- a/drivers/gpu/drm/mgag200/mgag200_ttm.c +++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c @@ -353,6 +353,7 @@ int mgag200_bo_pin(struct mgag200_bo *bo, u32 pl_flag, u64 *gpu_addr) bo->pin_count++; if (gpu_addr) *gpu_addr = mgag200_bo_gpu_offset(bo); + return 0; } mgag200_ttm_placement(bo, pl_flag); -- cgit v1.2.3 From 64c29076646aa0fc094c4b3ea118ea5cb912bfc0 Mon Sep 17 00:00:00 2001 From: Egbert Eich Date: Wed, 17 Jul 2013 15:07:22 +0200 Subject: drm/mgag200: Add an crtc_disable callback to the crtc helper funcs Signed-off-by: Egbert Eich Signed-off-by: Dave Airlie --- drivers/gpu/drm/mgag200/mgag200_mode.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/gpu/drm/mgag200') diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 251784aa2225..2fe1f6469eb3 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1251,6 +1251,24 @@ static void mga_crtc_destroy(struct drm_crtc *crtc) kfree(mga_crtc); } +static void mga_crtc_disable(struct drm_crtc *crtc) +{ + int ret; + DRM_DEBUG_KMS("\n"); + mga_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + if (crtc->fb) { + struct mga_framebuffer *mga_fb = to_mga_framebuffer(crtc->fb); + struct drm_gem_object *obj = mga_fb->obj; + struct mgag200_bo *bo = gem_to_mga_bo(obj); + ret = mgag200_bo_reserve(bo, false); + if (ret) + return; + mgag200_bo_push_sysram(bo); + mgag200_bo_unreserve(bo); + } + crtc->fb = NULL; +} + /* These provide the minimum set of functions required to handle a CRTC */ static const struct drm_crtc_funcs mga_crtc_funcs = { .cursor_set = mga_crtc_cursor_set, @@ -1261,6 +1279,7 @@ static const struct drm_crtc_funcs mga_crtc_funcs = { }; static const struct drm_crtc_helper_funcs mga_helper_funcs = { + .disable = mga_crtc_disable, .dpms = mga_crtc_dpms, .mode_fixup = mga_crtc_mode_fixup, .mode_set = mga_crtc_mode_set, -- cgit v1.2.3 From 3d5a1c5e300483df005c81c55792268d4a7bff9f Mon Sep 17 00:00:00 2001 From: Egbert Eich Date: Wed, 17 Jul 2013 15:07:25 +0200 Subject: drm/mgag200: Add sysfs support for connectors Signed-off-by: Egbert Eich Signed-off-by: Dave Airlie --- drivers/gpu/drm/mgag200/mgag200_mode.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/mgag200') diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 2fe1f6469eb3..020a62377ff0 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1600,6 +1600,8 @@ static struct drm_connector *mga_vga_init(struct drm_device *dev) drm_connector_helper_add(connector, &mga_vga_connector_helper_funcs); + drm_sysfs_connector_add(connector); + mga_connector->i2c = mgag200_i2c_create(dev); if (!mga_connector->i2c) DRM_ERROR("failed to add ddc bus\n"); -- cgit v1.2.3 From da55839870263563cc70e700a7f58090a860576d Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 17 Jul 2013 15:07:26 +0200 Subject: drm/mgag200: Fix framebuffer pitch calculation The framebuffer pitch calculation needs to be done differently for bpp == 24 - check xf86-video-mga for reference. Signed-off-by: Egbert Eich Signed-off-by: Dave Airlie --- drivers/gpu/drm/mgag200/mgag200_mode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/mgag200') diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 020a62377ff0..c8983f92bc67 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -877,7 +877,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, pitch = crtc->fb->pitches[0] / (crtc->fb->bits_per_pixel / 8); if (crtc->fb->bits_per_pixel == 24) - pitch = pitch >> (4 - bppshift); + pitch = (pitch * 3) >> (4 - bppshift); else pitch = pitch >> (4 - bppshift); -- cgit v1.2.3 From de7500eafc96274654201bd585fb85e2814ef9b2 Mon Sep 17 00:00:00 2001 From: Egbert Eich Date: Wed, 17 Jul 2013 15:07:27 +0200 Subject: drm/mgag200: Fix LUT programming for 16bpp Since there are only 32 (64) distinct color values for each color in 16bpp Matrox hardware expects those in a 'dense' manner, ie in the first 32 (64) entries of the respective color. Signed-off-by: Egbert Eich Signed-off-by: Dave Airlie --- drivers/gpu/drm/mgag200/mgag200_mode.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'drivers/gpu/drm/mgag200') diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index c8983f92bc67..503a414cbdad 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -29,6 +29,7 @@ static void mga_crtc_load_lut(struct drm_crtc *crtc) struct mga_crtc *mga_crtc = to_mga_crtc(crtc); struct drm_device *dev = crtc->dev; struct mga_device *mdev = dev->dev_private; + struct drm_framebuffer *fb = crtc->fb; int i; if (!crtc->enabled) @@ -36,6 +37,28 @@ static void mga_crtc_load_lut(struct drm_crtc *crtc) WREG8(DAC_INDEX + MGA1064_INDEX, 0); + if (fb && fb->bits_per_pixel == 16) { + int inc = (fb->depth == 15) ? 8 : 4; + u8 r, b; + for (i = 0; i < MGAG200_LUT_SIZE; i += inc) { + if (fb->depth == 16) { + if (i > (MGAG200_LUT_SIZE >> 1)) { + r = b = 0; + } else { + r = mga_crtc->lut_r[i << 1]; + b = mga_crtc->lut_b[i << 1]; + } + } else { + r = mga_crtc->lut_r[i]; + b = mga_crtc->lut_b[i]; + } + /* VGA registers */ + WREG8(DAC_INDEX + MGA1064_COL_PAL, r); + WREG8(DAC_INDEX + MGA1064_COL_PAL, mga_crtc->lut_g[i]); + WREG8(DAC_INDEX + MGA1064_COL_PAL, b); + } + return; + } for (i = 0; i < MGAG200_LUT_SIZE; i++) { /* VGA registers */ WREG8(DAC_INDEX + MGA1064_COL_PAL, mga_crtc->lut_r[i]); -- cgit v1.2.3 From ecaac1c866bcda4780a963b3d18cd310d971aea3 Mon Sep 17 00:00:00 2001 From: Egbert Eich Date: Wed, 17 Jul 2013 17:40:56 +0200 Subject: drm/mgag200: Invalidate page tables when pinning a BO When a BO gets pinned the placement may get changed. If the memory is mapped into user space and user space has already accessed the mapped range the page tables are set up but now point to the wrong memory. Set bo.mdev->dev_mapping in mgag200_bo_create() to make sure that ttm_bo_unmap_virtual() called from ttm_bo_handle_move_mem() will take care of this. v2: Don't call ttm_bo_unmap_virtual() in mgag200_bo_pin(), fix comment. Signed-off-by: Egbert Eich Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie --- drivers/gpu/drm/mgag200/mgag200_ttm.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/mgag200') diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c index 13878d5de063..d70e4a92773b 100644 --- a/drivers/gpu/drm/mgag200/mgag200_ttm.c +++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c @@ -323,6 +323,7 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align, mgabo->gem.driver_private = NULL; mgabo->bo.bdev = &mdev->ttm.bdev; + mgabo->bo.bdev->dev_mapping = dev->dev_mapping; mgag200_ttm_placement(mgabo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); -- cgit v1.2.3