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![Jérome Glisse](/assets/img/avatar_default.png)
I hate doing this but it hurts my eyes to go over code that does not comply with indentation rules. Only thing that is not only space change is in atom.c all other files are space indentation issues. Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Cc: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
425 lines
11 KiB
C
425 lines
11 KiB
C
/*
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* Copyright © 2007 David Airlie
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* David Airlie
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/fb.h>
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#include <drm/drmP.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_crtc_helper.h>
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#include <drm/radeon_drm.h>
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#include "radeon.h"
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#include <drm/drm_fb_helper.h>
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#include <linux/vga_switcheroo.h>
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/* object hierarchy -
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* this contains a helper + a radeon fb
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* the helper contains a pointer to radeon framebuffer baseclass.
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*/
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struct radeon_fbdev {
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struct drm_fb_helper helper;
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struct radeon_framebuffer rfb;
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struct radeon_device *rdev;
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};
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static struct fb_ops radeonfb_ops = {
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.owner = THIS_MODULE,
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.fb_check_var = drm_fb_helper_check_var,
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.fb_set_par = drm_fb_helper_set_par,
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.fb_fillrect = drm_fb_helper_cfb_fillrect,
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.fb_copyarea = drm_fb_helper_cfb_copyarea,
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.fb_imageblit = drm_fb_helper_cfb_imageblit,
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.fb_pan_display = drm_fb_helper_pan_display,
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.fb_blank = drm_fb_helper_blank,
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.fb_setcmap = drm_fb_helper_setcmap,
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.fb_debug_enter = drm_fb_helper_debug_enter,
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.fb_debug_leave = drm_fb_helper_debug_leave,
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};
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int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled)
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{
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int aligned = width;
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int align_large = (ASIC_IS_AVIVO(rdev)) || tiled;
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int pitch_mask = 0;
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switch (bpp / 8) {
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case 1:
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pitch_mask = align_large ? 255 : 127;
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break;
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case 2:
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pitch_mask = align_large ? 127 : 31;
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break;
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case 3:
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case 4:
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pitch_mask = align_large ? 63 : 15;
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break;
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}
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aligned += pitch_mask;
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aligned &= ~pitch_mask;
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return aligned;
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}
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static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
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{
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struct radeon_bo *rbo = gem_to_radeon_bo(gobj);
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int ret;
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ret = radeon_bo_reserve(rbo, false);
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if (likely(ret == 0)) {
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radeon_bo_kunmap(rbo);
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radeon_bo_unpin(rbo);
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radeon_bo_unreserve(rbo);
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}
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drm_gem_object_unreference_unlocked(gobj);
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}
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static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
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struct drm_mode_fb_cmd2 *mode_cmd,
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struct drm_gem_object **gobj_p)
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{
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struct radeon_device *rdev = rfbdev->rdev;
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struct drm_gem_object *gobj = NULL;
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struct radeon_bo *rbo = NULL;
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bool fb_tiled = false; /* useful for testing */
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u32 tiling_flags = 0;
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int ret;
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int aligned_size, size;
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int height = mode_cmd->height;
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u32 bpp, depth;
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drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
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/* need to align pitch with crtc limits */
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mode_cmd->pitches[0] = radeon_align_pitch(rdev, mode_cmd->width, bpp,
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fb_tiled) * ((bpp + 1) / 8);
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if (rdev->family >= CHIP_R600)
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height = ALIGN(mode_cmd->height, 8);
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size = mode_cmd->pitches[0] * height;
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aligned_size = ALIGN(size, PAGE_SIZE);
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ret = radeon_gem_object_create(rdev, aligned_size, 0,
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RADEON_GEM_DOMAIN_VRAM,
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0, true, &gobj);
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if (ret) {
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printk(KERN_ERR "failed to allocate framebuffer (%d)\n",
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aligned_size);
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return -ENOMEM;
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}
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rbo = gem_to_radeon_bo(gobj);
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if (fb_tiled)
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tiling_flags = RADEON_TILING_MACRO;
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#ifdef __BIG_ENDIAN
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switch (bpp) {
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case 32:
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tiling_flags |= RADEON_TILING_SWAP_32BIT;
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break;
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case 16:
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tiling_flags |= RADEON_TILING_SWAP_16BIT;
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default:
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break;
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}
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#endif
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if (tiling_flags) {
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ret = radeon_bo_set_tiling_flags(rbo,
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tiling_flags | RADEON_TILING_SURFACE,
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mode_cmd->pitches[0]);
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if (ret)
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dev_err(rdev->dev, "FB failed to set tiling flags\n");
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}
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ret = radeon_bo_reserve(rbo, false);
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if (unlikely(ret != 0))
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goto out_unref;
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/* Only 27 bit offset for legacy CRTC */
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ret = radeon_bo_pin_restricted(rbo, RADEON_GEM_DOMAIN_VRAM,
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ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
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NULL);
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if (ret) {
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radeon_bo_unreserve(rbo);
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goto out_unref;
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}
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if (fb_tiled)
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radeon_bo_check_tiling(rbo, 0, 0);
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ret = radeon_bo_kmap(rbo, NULL);
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radeon_bo_unreserve(rbo);
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if (ret) {
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goto out_unref;
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}
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*gobj_p = gobj;
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return 0;
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out_unref:
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radeonfb_destroy_pinned_object(gobj);
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*gobj_p = NULL;
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return ret;
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}
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static int radeonfb_create(struct drm_fb_helper *helper,
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struct drm_fb_helper_surface_size *sizes)
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{
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struct radeon_fbdev *rfbdev =
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container_of(helper, struct radeon_fbdev, helper);
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struct radeon_device *rdev = rfbdev->rdev;
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struct fb_info *info;
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struct drm_framebuffer *fb = NULL;
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struct drm_mode_fb_cmd2 mode_cmd;
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struct drm_gem_object *gobj = NULL;
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struct radeon_bo *rbo = NULL;
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int ret;
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unsigned long tmp;
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mode_cmd.width = sizes->surface_width;
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mode_cmd.height = sizes->surface_height;
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/* avivo can't scanout real 24bpp */
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if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
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sizes->surface_bpp = 32;
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mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
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sizes->surface_depth);
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ret = radeonfb_create_pinned_object(rfbdev, &mode_cmd, &gobj);
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if (ret) {
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DRM_ERROR("failed to create fbcon object %d\n", ret);
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return ret;
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}
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rbo = gem_to_radeon_bo(gobj);
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/* okay we have an object now allocate the framebuffer */
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info = drm_fb_helper_alloc_fbi(helper);
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if (IS_ERR(info)) {
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ret = PTR_ERR(info);
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goto out_unref;
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}
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info->par = rfbdev;
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info->skip_vt_switch = true;
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ret = radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj);
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if (ret) {
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DRM_ERROR("failed to initialize framebuffer %d\n", ret);
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goto out_destroy_fbi;
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}
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fb = &rfbdev->rfb.base;
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/* setup helper */
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rfbdev->helper.fb = fb;
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memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo));
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strcpy(info->fix.id, "radeondrmfb");
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drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
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info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
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info->fbops = &radeonfb_ops;
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tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start;
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info->fix.smem_start = rdev->mc.aper_base + tmp;
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info->fix.smem_len = radeon_bo_size(rbo);
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info->screen_base = rbo->kptr;
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info->screen_size = radeon_bo_size(rbo);
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drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);
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/* setup aperture base/size for vesafb takeover */
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info->apertures->ranges[0].base = rdev->ddev->mode_config.fb_base;
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info->apertures->ranges[0].size = rdev->mc.aper_size;
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/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
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if (info->screen_base == NULL) {
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ret = -ENOSPC;
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goto out_destroy_fbi;
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}
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DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start);
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DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base);
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DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo));
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DRM_INFO("fb depth is %d\n", fb->depth);
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DRM_INFO(" pitch is %d\n", fb->pitches[0]);
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vga_switcheroo_client_fb_set(rdev->ddev->pdev, info);
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return 0;
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out_destroy_fbi:
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drm_fb_helper_release_fbi(helper);
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out_unref:
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if (rbo) {
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}
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if (fb && ret) {
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drm_gem_object_unreference_unlocked(gobj);
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drm_framebuffer_unregister_private(fb);
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drm_framebuffer_cleanup(fb);
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kfree(fb);
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}
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return ret;
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}
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void radeon_fb_output_poll_changed(struct radeon_device *rdev)
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{
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if (rdev->mode_info.rfbdev)
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drm_fb_helper_hotplug_event(&rdev->mode_info.rfbdev->helper);
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}
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static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
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{
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struct radeon_framebuffer *rfb = &rfbdev->rfb;
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drm_fb_helper_unregister_fbi(&rfbdev->helper);
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drm_fb_helper_release_fbi(&rfbdev->helper);
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if (rfb->obj) {
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radeonfb_destroy_pinned_object(rfb->obj);
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rfb->obj = NULL;
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}
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drm_fb_helper_fini(&rfbdev->helper);
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drm_framebuffer_unregister_private(&rfb->base);
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drm_framebuffer_cleanup(&rfb->base);
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return 0;
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}
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static const struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
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.gamma_set = radeon_crtc_fb_gamma_set,
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.gamma_get = radeon_crtc_fb_gamma_get,
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.fb_probe = radeonfb_create,
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};
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int radeon_fbdev_init(struct radeon_device *rdev)
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{
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struct radeon_fbdev *rfbdev;
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int bpp_sel = 32;
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int ret;
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/* don't enable fbdev if no connectors */
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if (list_empty(&rdev->ddev->mode_config.connector_list))
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return 0;
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/* select 8 bpp console on RN50 or 16MB cards */
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if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024))
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bpp_sel = 8;
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rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL);
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if (!rfbdev)
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return -ENOMEM;
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rfbdev->rdev = rdev;
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rdev->mode_info.rfbdev = rfbdev;
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drm_fb_helper_prepare(rdev->ddev, &rfbdev->helper,
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&radeon_fb_helper_funcs);
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ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper,
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rdev->num_crtc,
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RADEONFB_CONN_LIMIT);
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if (ret)
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goto free;
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ret = drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
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if (ret)
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goto fini;
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/* disable all the possible outputs/crtcs before entering KMS mode */
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drm_helper_disable_unused_functions(rdev->ddev);
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ret = drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel);
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if (ret)
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goto fini;
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return 0;
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fini:
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drm_fb_helper_fini(&rfbdev->helper);
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free:
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kfree(rfbdev);
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return ret;
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}
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void radeon_fbdev_fini(struct radeon_device *rdev)
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{
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if (!rdev->mode_info.rfbdev)
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return;
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radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev);
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kfree(rdev->mode_info.rfbdev);
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rdev->mode_info.rfbdev = NULL;
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}
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void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state)
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{
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if (rdev->mode_info.rfbdev)
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fb_set_suspend(rdev->mode_info.rfbdev->helper.fbdev, state);
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}
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bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
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{
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if (!rdev->mode_info.rfbdev)
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return false;
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if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj))
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return true;
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return false;
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}
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void radeon_fb_add_connector(struct radeon_device *rdev, struct drm_connector *connector)
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{
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if (rdev->mode_info.rfbdev)
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drm_fb_helper_add_one_connector(&rdev->mode_info.rfbdev->helper, connector);
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}
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void radeon_fb_remove_connector(struct radeon_device *rdev, struct drm_connector *connector)
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{
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if (rdev->mode_info.rfbdev)
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drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector);
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}
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void radeon_fbdev_restore_mode(struct radeon_device *rdev)
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{
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struct radeon_fbdev *rfbdev = rdev->mode_info.rfbdev;
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struct drm_fb_helper *fb_helper;
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int ret;
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if (!rfbdev)
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return;
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fb_helper = &rfbdev->helper;
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ret = drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper);
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if (ret)
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DRM_DEBUG("failed to restore crtc mode\n");
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}
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