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Arthur Grillo 296e6678a4 drm: Fix drm_fixp2int_round() making it add 0.5 
[ Upstream commit 807f96abdf14c80f534c78f2d854c2590963345c ]

As well noted by Pekka[1], the rounding of drm_fixp2int_round is wrong.
To round a number, you need to add 0.5 to the number and floor that,
drm_fixp2int_round() is adding 0.0000076. Make it add 0.5.

[1]: https://lore.kernel.org/all/20240301135327.22efe0dd.pekka.paalanen@collabora.com/

Fixes: 8b25320887d7 ("drm: Add fixed-point helper to get rounded integer values")
Suggested-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Arthur Grillo <arthurgrillo@riseup.net>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240316-drm_fixed-v2-1-c1bc2665b5ed@riseup.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:20:10 -04:00
..
bridge
drm: bridge: samsung-dsim: Fix waiting for empty cmd transfer FIFO on older Exynos
2023-11-20 11:59:08 +01:00
display
drm/dp_mst: Fix fractional DSC bpp handling
2024-01-25 15:35:31 -08:00
i2c
…
ttm
drm/ttm: Remove two unused function declarations
2023-08-10 09:12:08 +02:00
amd_asic_type.h
drm/amdgpu: add new asic_type for IP discovery
2021-10-04 15:23:01 -04:00
drm_accel.h
accel: Add .mmap to DRM_ACCEL_FOPS
2023-01-26 11:52:13 +02:00
drm_aperture.h
drm/aperture: Remove primary argument
2023-04-16 14:17:41 +02:00
drm_atomic_helper.h
drm/atomic-helpers: Invoke end_fb_access while owning plane state
2023-12-13 18:45:25 +01:00
drm_atomic_state_helper.h
drm/atomic-helper: Add an analog TV atomic_check implementation
2022-11-24 12:42:40 +01:00
drm_atomic_uapi.h
drm: handle kernel fences in drm_gem_plane_helper_prepare_fb v2
2022-05-02 09:01:51 +02:00
drm_atomic.h
drm: add helper functions to retrieve old and new crtc
2023-03-13 04:43:49 +03:00
drm_audio_component.h
drm/audio: make drm_audio_component.h self-contained
2022-11-29 14:14:51 +02:00
drm_auth.h
drm: clarify usage of drm leases
2021-07-29 09:12:01 +02:00
drm_blend.h
…
drm_bridge_connector.h
drm/bridge_connector: drop drm_bridge_connector_en/disable_hpd()
2023-01-05 15:08:10 +01:00
drm_bridge.h
drm/bridge: Fix typo in post_disable() description
2024-01-25 15:35:32 -08:00
drm_buddy.h
drm/selftests: add drm buddy alloc range testcase
2022-02-23 10:44:43 +01:00
drm_cache.h
LoongArch: Add writecombine support for drm
2022-06-03 20:09:27 +08:00
drm_client.h
drm next for 6.3-rc1
2023-02-22 18:28:03 -08:00
drm_color_mgmt.h
drm: using mul_u32_u32() requires linux/math64.h
2024-02-05 20:14:34 +00:00
drm_connector.h
Merge tag 'amd-drm-next-6.5-2023-06-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
2023-06-15 14:11:22 +10:00
drm_crtc_helper.h
drm/crtc-helper: Remove most include statements from drm_crtc_helper.h
2023-01-18 09:25:32 +01:00
drm_crtc.h
drm: Remove references to removed transitional helpers
2023-07-29 21:25:16 +02:00
drm_damage_helper.h
drm/plane: Move drm_plane_enable_fb_damage_clips into core
2021-07-27 12:21:22 +02:00
drm_debugfs_crc.h
…
drm_debugfs.h
drm: debugfs: provide infrastructure to dump a DRM GPU VA space
2023-07-20 05:16:21 +02:00
drm_device.h
drm-misc-next for v6.3:
2023-01-16 15:33:28 +10:00
drm_displayid.h
drm/displayid: provide access to DisplayID version and primary use case
2023-02-27 02:58:38 +03:00
drm_drv.h
drm: Disable the cursor plane on atomic contexts with virtualized drivers
2024-01-31 16:19:08 -08:00
drm_edid.h
Revert "drm/edid: Fix csync detailed mode parsing"
2023-08-17 14:39:12 +03:00
drm_encoder_slave.h
drm: Remove linux/i2c.h from drm_crtc.h
2022-07-05 21:15:23 +03:00
drm_encoder.h
drm/encoder: Introduce drmm_encoder_init
2022-07-13 10:46:05 +02:00
drm_exec.h
drm/drm_exec: Work around a WW mutex lockdep oddity
2023-09-07 10:30:12 +02:00
drm_fb_dma_helper.h
drm/gem: rename GEM CMA helpers to GEM DMA helpers
2022-08-03 18:31:49 +02:00
drm_fb_helper.h
drm/fb-helper: Remove unused inline function drm_fb_helper_defio_init()
2023-07-25 20:38:37 +02:00
drm_fbdev_dma.h
drm/fbdev-dma: Implement fbdev emulation for GEM DMA helpers
2023-03-14 17:07:47 +01:00
drm_fbdev_generic.h
drm/fb-helper: Move generic fbdev emulation into separate source file
2022-11-05 17:12:04 +01:00
drm_file.h
drm: Disable the cursor plane on atomic contexts with virtualized drivers
2024-01-31 16:19:08 -08:00
drm_fixed.h
drm: Fix drm_fixp2int_round() making it add 0.5
2024-03-26 18:20:10 -04:00
drm_flip_work.h
…
drm_format_helper.h
drm/format-helper: Simplify drm_fb_build_fourcc_list()
2023-01-03 14:27:39 +01:00
drm_fourcc.h
drm/fourcc: Add drm_format_info.is_color_indexed flag
2022-07-09 15:00:08 +02:00
drm_framebuffer.h
drm/fb: Improve drm_framebuffer.offsets documentation
2022-07-09 15:58:52 +02:00
drm_gem_atomic_helper.h
drm/simple-kms: Remove drm_gem_simple_display_pipe_prepare_fb()
2022-12-05 13:35:37 +01:00
drm_gem_dma_helper.h
drm: Clear fd/handle callbacks in struct drm_driver
2023-06-26 11:08:41 +02:00
drm_gem_framebuffer_helper.h
drm/gem: Ignore color planes that are unused by framebuffer format
2022-05-19 19:25:02 +02:00
drm_gem_shmem_helper.h
drm: Clear fd/handle callbacks in struct drm_driver
2023-06-26 11:08:41 +02:00
drm_gem_ttm_helper.h
drm/ttm: merge ttm_bo_api.h and ttm_bo_driver.h v2
2022-12-06 12:54:14 +01:00
drm_gem_vram_helper.h
drm: Clear fd/handle callbacks in struct drm_driver
2023-06-26 11:08:41 +02:00
drm_gem.h
drm/gem: fix lockdep check for dma-resv lock
2023-08-04 20:34:31 +02:00
drm_gpuva_mgr.h
drm: manager to keep track of GPUs VA mappings
2023-07-20 05:15:53 +02:00
drm_ioctl.h
drm: unexport drm_ioctl_permit
2021-08-13 17:50:48 +02:00
drm_kunit_helpers.h
drm/tests: helpers: Include missing drm_drv header
2024-03-26 18:19:53 -04:00
drm_lease.h
…
drm_legacy.h
drm: Declare hashtable as legacy
2021-11-30 09:41:28 +01:00
drm_managed.h
drm: fix drmm_mutex_init()
2023-05-22 12:23:50 +02:00
drm_mipi_dbi.h
drm/mipi-dbi: Support separate I/O regulator
2022-12-14 14:57:09 +01:00
drm_mipi_dsi.h
drm/mipi-dsi: Fix detach call without attach
2024-02-05 20:14:27 +00:00
drm_mm.h
drm: Replace kernel.h with the necessary inclusions
2021-12-09 13:46:13 +01:00
drm_mode_config.h
drm/fbdev-generic: Remove unused prefer_shadow_fbdev flag
2023-03-22 13:32:47 +01:00
drm_mode_object.h
drm/object: Add drm_object_property_get_default_value() function
2022-02-25 17:55:42 +01:00
drm_modes.h
drm/modes: Add a function to generate analog display modes
2022-11-24 12:42:39 +01:00
drm_modeset_helper_vtables.h
drm: Remove references to removed transitional helpers
2023-07-29 21:25:16 +02:00
drm_modeset_helper.h
…
drm_modeset_lock.h
drm/locking: fix drm_modeset_acquire_ctx kernel-doc
2022-01-20 14:41:25 +02:00
drm_module.h
drm: Provide platform module-init macro
2022-01-19 18:40:18 +01:00
drm_of.h
drm: of: Add drm_of_get_dsi_bus helper function
2023-01-27 09:39:21 +01:00
drm_panel.h
drm/panel: Fix kernel-doc typo for follower_lock
2023-08-03 10:21:27 +02:00
drm_pciids.h
drm: Remove some obsolete drm pciids(tdfx, mga, i810, savage, r128, sis, via)
2023-01-13 09:44:56 +01:00
drm_plane_helper.h
drm/plane-helper: Add the missing declaration of drm_atomic_state
2022-12-16 10:23:11 +01:00
drm_plane.h
drm: Allow drivers to indicate the damage helpers to ignore damage clips
2024-01-31 16:19:08 -08:00
drm_prime.h
Revert "drm/prime: Unexport helpers for fd/handle conversion"
2024-01-20 11:51:39 +01:00
drm_print.h
Merge tag 'amd-drm-next-6.3-2023-01-27' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
2023-01-30 15:37:57 +10:00
drm_privacy_screen_consumer.h
drm/privacy-screen: Add notifier support (v2)
2021-10-14 13:12:25 +02:00
drm_privacy_screen_driver.h
drm/privacy_screen: Add drvdata in drm_privacy_screen
2022-01-10 12:17:37 +01:00
drm_privacy_screen_machine.h
drm/privacy-screen: Add X86 specific arch init code
2021-10-14 13:12:24 +02:00
drm_probe_helper.h
drm: Add an HPD poll helper to reschedule the poll work
2023-08-23 17:14:37 -04:00
drm_property.h
drm: document drm_property_enum.value for bitfields
2021-07-26 10:08:22 +02:00
drm_rect.h
drm/rect: Add DRM_RECT_INIT() macro
2022-06-27 13:45:48 +02:00
drm_self_refresh_helper.h
…
drm_simple_kms_helper.h
drm/simple-kms: Remove drm_gem_simple_display_pipe_prepare_fb()
2022-12-05 13:35:37 +01:00
drm_suballoc.h
drm/suballoc: Extract amdgpu_sa.c as generic suballocation helper
2023-03-01 17:18:19 +01:00
drm_syncobj.h
drm/syncobj: add IOCTL to register an eventfd
2023-07-20 12:01:03 +02:00
drm_sysfs.h
drm/sysfs: rename drm_sysfs_connector_status_event()
2023-06-23 15:54:00 +02:00
drm_util.h
…
drm_utils.h
…
drm_vblank_work.h
…
drm_vblank.h
drm/vblank: Add helper to get next vblank time
2023-03-28 14:52:59 -07:00
drm_vma_manager.h
drm/drm_vma_manager: Add drm_vma_node_allow_once()
2023-01-19 14:16:55 +01:00
drm_writeback.h
drm: introduce drm_writeback_connector_init_with_encoder() API
2022-05-02 02:12:59 +03:00
gma_drm.h
…
gpu_scheduler.h
gpu/drm: Eliminate DRM_SCHED_PRIORITY_UNSET
2023-10-17 20:35:38 -04:00
gud.h
drm/gud: Add GUD_PIXEL_FORMAT_RGB888
2021-10-04 12:06:14 +02:00
i915_component.h
drm/i915/mtl: Define GSC Proxy component interface
2023-05-04 02:57:28 -07:00
i915_drm.h
drm/i915_drm.h: fix a typo
2023-06-02 20:05:45 +03:00
i915_gsc_proxy_mei_interface.h
drm/i915/mtl: Define GSC Proxy component interface
2023-05-04 02:57:28 -07:00
i915_hdcp_interface.h
drm/i915/hdcp: Move away from master naming to arbiter
2023-05-31 10:22:13 +05:30
i915_pciids.h
drm/i915: Add RPL-U sub platform
2023-02-16 12:29:51 +02:00
i915_pxp_tee_interface.h
mei: pxp: add command streamer API to the PXP driver
2022-10-03 11:29:11 -07:00
intel_lpe_audio.h
…
intel-gtt.h
agp/intel: Rename intel-gtt symbols
2022-06-22 15:52:55 -07:00
spsc_queue.h
…
task_barrier.h
drm: Spelling s/randevouz/rendez-vous/
2023-07-29 21:11:54 +02:00