diff options
Diffstat (limited to 'drivers/gpu/drm/arm/malidp_drv.c')
| -rw-r--r-- | drivers/gpu/drm/arm/malidp_drv.c | 67 |
1 files changed, 30 insertions, 37 deletions
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c index ab50ad06e271..af1992f06a1d 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * (C) COPYRIGHT 2016 ARM Limited. All rights reserved. * Author: Liviu Dudau <Liviu.Dudau@arm.com> * - * This program is free software and is provided to you under the terms of the - * GNU General Public License version 2 as published by the Free Software - * Foundation, and any use by you of this program is subject to the terms - * of such GNU licence. - * * ARM Mali DP500/DP550/DP650 KMS/DRM driver */ @@ -192,6 +188,7 @@ static void malidp_atomic_commit_hw_done(struct drm_atomic_state *state) { struct drm_device *drm = state->dev; struct malidp_drm *malidp = drm->dev_private; + int loop = 5; malidp->event = malidp->crtc.state->event; malidp->crtc.state->event = NULL; @@ -206,8 +203,18 @@ static void malidp_atomic_commit_hw_done(struct drm_atomic_state *state) drm_crtc_vblank_get(&malidp->crtc); /* only set config_valid if the CRTC is enabled */ - if (malidp_set_and_wait_config_valid(drm) < 0) + if (malidp_set_and_wait_config_valid(drm) < 0) { + /* + * make a loop around the second CVAL setting and + * try 5 times before giving up. + */ + while (loop--) { + if (!malidp_set_and_wait_config_valid(drm)) + break; + } DRM_DEBUG_DRIVER("timed out waiting for updated configuration\n"); + } + } else if (malidp->event) { /* CRTC inactive means vblank IRQ is disabled, send event directly */ spin_lock_irq(&drm->event_lock); @@ -264,37 +271,17 @@ static bool malidp_verify_afbc_framebuffer_caps(struct drm_device *dev, const struct drm_mode_fb_cmd2 *mode_cmd) { - const struct drm_format_info *info; - - if ((mode_cmd->modifier[0] >> 56) != DRM_FORMAT_MOD_VENDOR_ARM) { - DRM_DEBUG_KMS("Unknown modifier (not Arm)\n"); + if (malidp_format_mod_supported(dev, mode_cmd->pixel_format, + mode_cmd->modifier[0]) == false) return false; - } - - if (mode_cmd->modifier[0] & - ~DRM_FORMAT_MOD_ARM_AFBC(AFBC_MOD_VALID_BITS)) { - DRM_DEBUG_KMS("Unsupported modifiers\n"); - return false; - } - - info = drm_get_format_info(dev, mode_cmd); - if (!info) { - DRM_DEBUG_KMS("Unable to get the format information\n"); - return false; - } - - if (info->num_planes != 1) { - DRM_DEBUG_KMS("AFBC buffers expect one plane\n"); - return false; - } if (mode_cmd->offsets[0] != 0) { DRM_DEBUG_KMS("AFBC buffers' plane offset should be 0\n"); return false; } - switch (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK) { - case AFBC_FORMAT_MOD_BLOCK_SIZE_16x16: + switch (mode_cmd->modifier[0] & AFBC_SIZE_MASK) { + case AFBC_SIZE_16X16: if ((mode_cmd->width % 16) || (mode_cmd->height % 16)) { DRM_DEBUG_KMS("AFBC buffers must be aligned to 16 pixels\n"); return false; @@ -318,9 +305,10 @@ malidp_verify_afbc_framebuffer_size(struct drm_device *dev, struct drm_gem_object *objs = NULL; u32 afbc_superblock_size = 0, afbc_superblock_height = 0; u32 afbc_superblock_width = 0, afbc_size = 0; + int bpp = 0; - switch (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK) { - case AFBC_FORMAT_MOD_BLOCK_SIZE_16x16: + switch (mode_cmd->modifier[0] & AFBC_SIZE_MASK) { + case AFBC_SIZE_16X16: afbc_superblock_height = 16; afbc_superblock_width = 16; break; @@ -334,15 +322,19 @@ malidp_verify_afbc_framebuffer_size(struct drm_device *dev, n_superblocks = (mode_cmd->width / afbc_superblock_width) * (mode_cmd->height / afbc_superblock_height); - afbc_superblock_size = info->cpp[0] * afbc_superblock_width * - afbc_superblock_height; + bpp = malidp_format_get_bpp(info->format); + + afbc_superblock_size = (bpp * afbc_superblock_width * afbc_superblock_height) + / BITS_PER_BYTE; afbc_size = ALIGN(n_superblocks * AFBC_HEADER_SIZE, AFBC_SUPERBLK_ALIGNMENT); afbc_size += n_superblocks * ALIGN(afbc_superblock_size, AFBC_SUPERBLK_ALIGNMENT); - if (mode_cmd->width * info->cpp[0] != mode_cmd->pitches[0]) { - DRM_DEBUG_KMS("Invalid value of pitch (=%u) should be same as width (=%u) * cpp (=%u)\n", - mode_cmd->pitches[0], mode_cmd->width, info->cpp[0]); + if ((mode_cmd->width * bpp) != (mode_cmd->pitches[0] * BITS_PER_BYTE)) { + DRM_DEBUG_KMS("Invalid value of (pitch * BITS_PER_BYTE) (=%u) " + "should be same as width (=%u) * bpp (=%u)\n", + (mode_cmd->pitches[0] * BITS_PER_BYTE), + mode_cmd->width, bpp); return false; } @@ -406,6 +398,7 @@ static int malidp_init(struct drm_device *drm) drm->mode_config.max_height = hwdev->max_line_size; drm->mode_config.funcs = &malidp_mode_config_funcs; drm->mode_config.helper_private = &malidp_mode_config_helpers; + drm->mode_config.allow_fb_modifiers = true; ret = malidp_crtc_init(drm); if (ret) |