diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0677-video-bcm2708_fb-Revert-cma-allocation-attempt.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0677-video-bcm2708_fb-Revert-cma-allocation-attempt.patch | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0677-video-bcm2708_fb-Revert-cma-allocation-attempt.patch b/target/linux/brcm2708/patches-4.19/950-0677-video-bcm2708_fb-Revert-cma-allocation-attempt.patch deleted file mode 100644 index dcce81d559..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0677-video-bcm2708_fb-Revert-cma-allocation-attempt.patch +++ /dev/null @@ -1,159 +0,0 @@ -From 8f0ceec888aaa21d703dc9b16bca77d57104b7cf Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Wed, 19 Jun 2019 03:55:50 +0100 -Subject: [PATCH 677/725] video/bcm2708_fb: Revert cma allocation attempt - -"4600e91 Pulled in the multi frame buffer support from the Pi3 repo" -pulled back in the code for allocating the framebuffer from the CMA -heap. -Revert it again. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - drivers/video/fbdev/bcm2708_fb.c | 101 +++------------------ - include/soc/bcm2835/raspberrypi-firmware.h | 1 - - 2 files changed, 13 insertions(+), 89 deletions(-) - ---- a/drivers/video/fbdev/bcm2708_fb.c -+++ b/drivers/video/fbdev/bcm2708_fb.c -@@ -112,9 +112,6 @@ struct bcm2708_fb { - struct vc4_display_settings_t display_settings; - struct debugfs_regset32 screeninfo_regset; - struct bcm2708_fb_dev *fbdev; -- unsigned int image_size; -- dma_addr_t dma_addr; -- void *cpuaddr; - }; - - #define MAX_FRAMEBUFFERS 3 -@@ -377,12 +374,12 @@ static int bcm2708_fb_set_par(struct fb_ - .xoffset = info->var.xoffset, - .yoffset = info->var.yoffset, - .tag5 = { RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE, 8, 0 }, -- /* base and screen_size will be initialised later */ -- .tag6 = { RPI_FIRMWARE_FRAMEBUFFER_SET_PITCH, 4, 0 }, -- /* pitch will be initialised later */ -+ .base = 0, -+ .screen_size = 0, -+ .tag6 = { RPI_FIRMWARE_FRAMEBUFFER_GET_PITCH, 4, 0 }, -+ .pitch = 0, - }; -- int ret, image_size; -- -+ int ret; - - print_debug("%s(%p) %dx%d (%dx%d), %d, %d (display %d)\n", __func__, - info, -@@ -397,76 +394,12 @@ static int bcm2708_fb_set_par(struct fb_ - */ - set_display_num(fb); - -- /* Try allocating our own buffer. We can specify all the parameters */ -- image_size = ((info->var.xres * info->var.yres) * -- info->var.bits_per_pixel) >> 3; -- -- if (!fb->fbdev->disable_arm_alloc && -- (image_size != fb->image_size || !fb->dma_addr)) { -- if (fb->dma_addr) { -- dma_free_coherent(info->device, fb->image_size, -- fb->cpuaddr, fb->dma_addr); -- fb->image_size = 0; -- fb->cpuaddr = NULL; -- fb->dma_addr = 0; -- } -- -- fb->cpuaddr = dma_alloc_coherent(info->device, image_size, -- &fb->dma_addr, GFP_KERNEL); -- -- if (!fb->cpuaddr) { -- fb->dma_addr = 0; -- fb->fbdev->disable_arm_alloc = true; -- } else { -- fb->image_size = image_size; -- } -- } -- -- if (fb->cpuaddr) { -- fbinfo.base = fb->dma_addr; -- fbinfo.screen_size = image_size; -- fbinfo.pitch = (info->var.xres * info->var.bits_per_pixel) >> 3; -- -- ret = rpi_firmware_property_list(fb->fbdev->fw, &fbinfo, -- sizeof(fbinfo)); -- if (ret || fbinfo.base != fb->dma_addr) { -- /* Firmware either failed, or assigned a different base -- * address (ie it doesn't support being passed an FB -- * allocation). -- * Destroy the allocation, and don't try again. -- */ -- dma_free_coherent(info->device, fb->image_size, -- fb->cpuaddr, fb->dma_addr); -- fb->image_size = 0; -- fb->cpuaddr = NULL; -- fb->dma_addr = 0; -- fb->fbdev->disable_arm_alloc = true; -- } -- } else { -- /* Our allocation failed - drop into the old scheme of -- * allocation by the VPU. -- */ -- ret = -ENOMEM; -- } -- -+ ret = rpi_firmware_property_list(fb->fbdev->fw, &fbinfo, -+ sizeof(fbinfo)); - if (ret) { -- /* Old scheme: -- * - FRAMEBUFFER_ALLOCATE passes 0 for base and screen_size. -- * - GET_PITCH instead of SET_PITCH. -- */ -- fbinfo.base = 0; -- fbinfo.screen_size = 0; -- fbinfo.tag6.tag = RPI_FIRMWARE_FRAMEBUFFER_GET_PITCH; -- fbinfo.pitch = 0; -- -- ret = rpi_firmware_property_list(fb->fbdev->fw, &fbinfo, -- sizeof(fbinfo)); -- if (ret) { -- dev_err(info->device, -- "Failed to allocate GPU framebuffer (%d)\n", -- ret); -- return ret; -- } -+ dev_err(info->device, -+ "Failed to allocate GPU framebuffer (%d)\n", ret); -+ return ret; - } - - if (info->var.bits_per_pixel <= 8) -@@ -481,17 +414,9 @@ static int bcm2708_fb_set_par(struct fb_ - fb->fb.fix.smem_start = fbinfo.base; - fb->fb.fix.smem_len = fbinfo.pitch * fbinfo.yres_virtual; - fb->fb.screen_size = fbinfo.screen_size; -- -- if (!fb->dma_addr) { -- if (fb->fb.screen_base) -- iounmap(fb->fb.screen_base); -- -- fb->fb.screen_base = ioremap_wc(fbinfo.base, -- fb->fb.screen_size); -- } else { -- fb->fb.screen_base = fb->cpuaddr; -- } -- -+ if (fb->fb.screen_base) -+ iounmap(fb->fb.screen_base); -+ fb->fb.screen_base = ioremap_wc(fbinfo.base, fb->fb.screen_size); - if (!fb->fb.screen_base) { - /* the console may currently be locked */ - console_trylock(); ---- a/include/soc/bcm2835/raspberrypi-firmware.h -+++ b/include/soc/bcm2835/raspberrypi-firmware.h -@@ -138,7 +138,6 @@ enum rpi_firmware_property_tag { - RPI_FIRMWARE_FRAMEBUFFER_SET_DEPTH = 0x00048005, - RPI_FIRMWARE_FRAMEBUFFER_SET_PIXEL_ORDER = 0x00048006, - RPI_FIRMWARE_FRAMEBUFFER_SET_ALPHA_MODE = 0x00048007, -- RPI_FIRMWARE_FRAMEBUFFER_SET_PITCH = 0x00048008, - RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_OFFSET = 0x00048009, - RPI_FIRMWARE_FRAMEBUFFER_SET_OVERSCAN = 0x0004800a, - RPI_FIRMWARE_FRAMEBUFFER_SET_PALETTE = 0x0004800b, |