From 0dfac1ceb48d86008222a7846ba9e8a9403a907c Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Tue, 19 Apr 2011 15:27:53 +0100 Subject: [PATCH] gma500: Begin the GEMification of the cursor code Do a first pass over the cursor code and rework it to use GEM objects for the cursor buffer as we need. Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/staging/gma500/psb_fb.c | 32 ++----------- drivers/staging/gma500/psb_intel_display.c | 56 ++++++++-------------- drivers/staging/gma500/psb_intel_drv.h | 13 +---- 3 files changed, 26 insertions(+), 75 deletions(-) diff --git a/drivers/staging/gma500/psb_fb.c b/drivers/staging/gma500/psb_fb.c index eaf960e6c6b1..4ea39d6f04fa 100644 --- a/drivers/staging/gma500/psb_fb.c +++ b/drivers/staging/gma500/psb_fb.c @@ -732,39 +732,17 @@ static void psb_setup_outputs(struct drm_device *dev) } } -/* FIXME: rewrite these in terms of the gtt_range and GEM objects +/* FIXME: rewrite this in terms of the gtt_range and GEM objects rather than faking them as we do now */ -static void *psb_bo_from_handle(struct drm_device *dev, - struct drm_file *file_priv, - unsigned int handle) -{ - return NULL; -} - -static size_t psb_bo_size(struct drm_device *dev, void *bof) -{ - return 0; -} - -static size_t psb_bo_offset(struct drm_device *dev, void *bof) +static size_t psb_bo_offset(struct drm_device *dev, void *obj) { struct psb_framebuffer *psbfb - = (struct psb_framebuffer *)bof; + = (struct psb_framebuffer *)obj; return (size_t)psbfb->offset; } -static int psb_bo_pin_for_scanout(struct drm_device *dev, void *bo) -{ - return 0; -} - -static int psb_bo_unpin_for_scanout(struct drm_device *dev, void *bo) -{ - return 0; -} - void psb_modeset_init(struct drm_device *dev) { struct drm_psb_private *dev_priv = @@ -774,11 +752,7 @@ void psb_modeset_init(struct drm_device *dev) PSB_DEBUG_ENTRY("\n"); /* Init mm functions */ - mode_dev->bo_from_handle = psb_bo_from_handle; - mode_dev->bo_size = psb_bo_size; mode_dev->bo_offset = psb_bo_offset; - mode_dev->bo_pin_for_scanout = psb_bo_pin_for_scanout; - mode_dev->bo_unpin_for_scanout = psb_bo_unpin_for_scanout; drm_mode_config_init(dev); diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c index 6e146578957f..697e1c3f2ab2 100644 --- a/drivers/staging/gma500/psb_intel_display.c +++ b/drivers/staging/gma500/psb_intel_display.c @@ -1014,8 +1014,6 @@ static void psb_intel_crtc_restore(struct drm_crtc *crtc) REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]); } -#if 0 -/* FIXME */ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t handle, @@ -1024,17 +1022,14 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc, struct drm_device *dev = crtc->dev; struct drm_psb_private *dev_priv = (struct drm_psb_private *)dev->dev_private; - struct psb_gtt *pg = dev_priv->pg; struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_intel_mode_device *mode_dev = psb_intel_crtc->mode_dev; int pipe = psb_intel_crtc->pipe; uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR; uint32_t base = (pipe == 0) ? CURABASE : CURBBASE; uint32_t temp; size_t addr = 0; - uint32_t page_offset; - size_t size; - void *bo; + struct gtt_range *gt; + struct drm_gem_object *obj; int ret; DRM_DEBUG("\n"); @@ -1043,8 +1038,7 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc, if (!handle) { DRM_DEBUG("cursor off\n"); /* turn off the cursor */ - temp = 0; - temp |= CURSOR_MODE_DISABLE; + temp = CURSOR_MODE_DISABLE; if (gma_power_begin(dev, false)) { REG_WRITE(control, temp); @@ -1052,12 +1046,10 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc, gma_power_end(dev); } - /* unpin the old bo */ - if (psb_intel_crtc->cursor_bo) { - mode_dev->bo_unpin_for_scanout(dev, - psb_intel_crtc-> - cursor_bo); - psb_intel_crtc->cursor_bo = NULL; + /* Unpin the old GEM object */ + if (psb_intel_crtc->cursor_obj) { + drm_gem_object_unreference(psb_intel_crtc->cursor_obj); + psb_intel_crtc->cursor_obj = NULL; } return 0; @@ -1069,15 +1061,11 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc, return -EINVAL; } - bo = mode_dev->bo_from_handle(dev, file_priv, handle); - if (!bo) + obj = drm_gem_object_lookup(dev, file_priv, handle); + if (!obj) return -ENOENT; - ret = mode_dev->bo_pin_for_scanout(dev, bo); - if (ret) - return ret; - size = mode_dev->bo_size(dev, bo); - if (size < width * height * 4) { + if (obj->size < width * height * 4) { DRM_ERROR("buffer is to small\n"); return -ENOMEM; } @@ -1086,15 +1074,15 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc, DRM_DEBUG("%s: map meminfo for hw cursor. handle %x\n", __func__, handle); - ret = psb_gtt_map_meminfo(dev, (void *)handle, &page_offset); +/* Pin : FIXME if (ret) { DRM_ERROR("Can not map meminfo to GTT. handle 0x%x\n", handle); return ret; } +*/ + gt = container_of(obj, struct gtt_range, gem); - addr = page_offset << PAGE_SHIFT; - - addr += dev_priv->stolen_base; + addr = gt->resource.start; psb_intel_crtc->cursor_addr = addr; @@ -1110,9 +1098,9 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc, } /* unpin the old bo */ - if (psb_intel_crtc->cursor_bo && psb_intel_crtc->cursor_bo != bo) { - mode_dev->bo_unpin_for_scanout(dev, psb_intel_crtc->cursor_bo); - psb_intel_crtc->cursor_bo = bo; + if (psb_intel_crtc->cursor_obj && psb_intel_crtc->cursor_obj != obj) { + drm_gem_object_unreference(psb_intel_crtc->cursor_obj); + psb_intel_crtc->cursor_obj = obj; } return 0; @@ -1124,7 +1112,7 @@ static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); int pipe = psb_intel_crtc->pipe; uint32_t temp = 0; - uint32_t adder; + uint32_t addr; if (x < 0) { @@ -1139,16 +1127,15 @@ static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT); temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); - adder = psb_intel_crtc->cursor_addr; + addr = psb_intel_crtc->cursor_addr; if (gma_power_begin(dev, false)) { REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp); - REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, adder); + REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, addr); gma_power_end(dev); } return 0; } -#endif static void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, uint32_t type, uint32_t size) @@ -1315,6 +1302,7 @@ static void psb_intel_crtc_destroy(struct drm_crtc *crtc) { struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); + /* FIXME: do we need to put the final GEM cursor ? */ kfree(psb_intel_crtc->crtc_state); drm_crtc_cleanup(crtc); kfree(psb_intel_crtc); @@ -1332,10 +1320,8 @@ static const struct drm_crtc_helper_funcs psb_intel_helper_funcs = { const struct drm_crtc_funcs psb_intel_crtc_funcs = { .save = psb_intel_crtc_save, .restore = psb_intel_crtc_restore, -/* FIXME .cursor_set = psb_intel_crtc_cursor_set, .cursor_move = psb_intel_crtc_cursor_move, -*/ .gamma_set = psb_intel_crtc_gamma_set, .set_config = psb_crtc_set_config, .destroy = psb_intel_crtc_destroy, diff --git a/drivers/staging/gma500/psb_intel_drv.h b/drivers/staging/gma500/psb_intel_drv.h index f6229c56de40..6006ddd993f2 100644 --- a/drivers/staging/gma500/psb_intel_drv.h +++ b/drivers/staging/gma500/psb_intel_drv.h @@ -76,13 +76,7 @@ struct psb_intel_mode_device { /* * Abstracted memory manager operations */ - void *(*bo_from_handle) (struct drm_device *dev, - struct drm_file *file_priv, - unsigned int handle); - size_t(*bo_size) (struct drm_device *dev, void *bo); size_t(*bo_offset) (struct drm_device *dev, void *bo); - int (*bo_pin_for_scanout) (struct drm_device *dev, void *bo); - int (*bo_unpin_for_scanout) (struct drm_device *dev, void *bo); /* * Cursor @@ -156,11 +150,8 @@ struct psb_intel_crtc { /* a mode_set for fbdev users on this crtc */ struct drm_mode_set mode_set; - /* current bo we scanout from */ - void *scanout_bo; - - /* current bo we cursor from */ - void *cursor_bo; + /* GEM object that holds our cursor */ + struct drm_gem_object *cursor_obj; struct drm_display_mode saved_mode; struct drm_display_mode saved_adjusted_mode; -- GitLab