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alistair23-linux/drivers/gpu/drm/i915/display
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Manasi Navare 0cd7084a2a drm/i915/display/dp: Compute the correct slice count for VDSC on DP 
commit f6cbe49be6 upstream.

This patch fixes the slice count computation algorithm
for calculating the slice count based on Peak pixel rate
and the max slice width allowed on the DSC engines.
We need to ensure slice count > min slice count req
as per DP spec based on peak pixel rate and that it is
greater than min slice count based on the max slice width
advertised by DPCD. So use max of these two.
In the prev patch we were using min of these 2 causing it
to violate the max slice width limitation causing a blank
screen on 8K@60.

Fixes: d9218c8f6c ("drm/i915/dp: Add helpers for Compressed BPP and Slice Count for DSC")
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: <stable@vger.kernel.org> # v5.0+
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201204205804.25225-1-manasi.d.navare@intel.com
(cherry picked from commit d371d6ea92)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2020-12-16 10:56:58 +01:00
..
Makefile drm/i915: use upstream version of header tests 2019-07-30 12:11:57 +03:00
dvo_ch7xxx.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
dvo_ch7017.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
dvo_ivch.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
dvo_ns2501.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
dvo_sil164.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
dvo_tfp410.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
icl_dsi.c drm/i915: Wrappers for display register waits 2019-08-16 22:19:05 +01:00
intel_acpi.c
…
intel_acpi.h
…
intel_atomic.c drm/i915: Preload LUTs if the hw isn't currently using them 2019-11-18 09:20:27 -08:00
intel_atomic.h
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intel_atomic_plane.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_atomic_plane.h drm/i915: Pass intel state to plane functions as well 2019-07-01 10:32:45 +02:00
intel_audio.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_audio.h
…
intel_bios.c drm/i915: Favor last VBT child device with conflicting AUX ch/DDC pin 2019-10-16 10:56:50 -07:00
intel_bios.h drm/i915: Propagate "_remove" function name suffix down 2019-07-12 13:05:08 +01:00
intel_bw.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_bw.h drm/i915/bw: make intel_atomic_get_bw_state() static 2019-08-07 12:01:46 +03:00
intel_cdclk.c drm/i915: Wrappers for display register waits 2019-08-16 22:19:05 +01:00
intel_cdclk.h
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intel_color.c drm/i915: Preload LUTs if the hw isn't currently using them 2019-11-18 09:20:27 -08:00
intel_color.h
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intel_combo_phy.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_combo_phy.h drm/i915/gen11: Convert combo PHY logic to use new 'enum phy' namespace 2019-07-10 18:22:34 -07:00
intel_connector.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_connector.h
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intel_crt.c drm/i915: Avoid HPD poll detect triggering a new detect cycle 2019-11-04 13:24:11 -08:00
intel_crt.h
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intel_ddi.c drm/i915/icl+: Don't enable DDI IO power on a TypeC port in TBT mode 2020-04-17 10:50:25 +02:00
intel_ddi.h
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intel_display.c drm/i915: Handle max_bpc==16 2020-11-24 13:29:23 +01:00
intel_display.h drm/i915/dp: Fix dsc bpp calculations, v5. 2019-10-02 22:20:22 -07:00
intel_display_power.c drm/i915: Program MBUS with rmw during initialization 2020-03-12 13:00:27 +01:00
intel_display_power.h drm/i915: Move i915_power_well_id out of i915_reg.h 2019-08-16 21:52:47 +01:00
intel_display_types.h drm/i915: Preload LUTs if the hw isn't currently using them 2019-11-18 09:20:27 -08:00
intel_dp.c drm/i915/display/dp: Compute the correct slice count for VDSC on DP 2020-12-16 10:56:58 +01:00
intel_dp.h drm/i915/dp: Fix dsc bpp calculations, v5. 2019-10-02 22:20:22 -07:00
intel_dp_aux_backlight.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_dp_aux_backlight.h
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intel_dp_link_training.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_dp_link_training.h
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intel_dp_mst.c drm/i915: fix port checks for MST support on gen >= 11 2020-06-07 13:18:48 +02:00
intel_dp_mst.h drm/i915/mst: un-inline intel_dp_mst_encoder_active_links() 2019-08-07 12:01:51 +03:00
intel_dpio_phy.c drm/i915: Wrappers for display register waits 2019-08-16 22:19:05 +01:00
intel_dpio_phy.h
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intel_dpll_mgr.c drm/i915: Fix PCH reference clock for FDI on HSW/BDW 2019-10-29 21:50:24 -07:00
intel_dpll_mgr.h drm/i915/tgl: Fix doc not corresponding to code 2019-10-29 15:33:12 -07:00
intel_dsi.c
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intel_dsi.h drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_dsi_dcs_backlight.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_dsi_dcs_backlight.h
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intel_dsi_vbt.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_dvo.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_dvo.h
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intel_dvo_dev.h
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intel_fbc.c Make the "Reducing compressed framebufer size" message be DRM_INFO_ONCE() 2020-05-20 08:20:32 +02:00
intel_fbc.h
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intel_fbdev.c drm/i915/fbdev: Restore physical addresses for fb_mmap() 2019-11-21 00:09:22 -08:00
intel_fbdev.h
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intel_fifo_underrun.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_fifo_underrun.h
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intel_frontbuffer.c drm/i915: Extract intel_frontbuffer active tracking 2019-08-16 09:51:11 +01:00
intel_frontbuffer.h drm/i915: Extract intel_frontbuffer active tracking 2019-08-16 09:51:11 +01:00
intel_gmbus.c drm/i915/gen11: Allow usage of all GPIO pins 2019-08-19 07:51:12 -07:00
intel_gmbus.h drm/i915: Move gmbus definitions out of i915_reg.h 2019-08-16 21:52:49 +01:00
intel_hdcp.c Merge drm/drm-next into drm-intel-next-queued 2019-08-22 00:10:36 -07:00
intel_hdcp.h drm/i915: Attach content type property 2019-08-06 13:15:41 +05:30
intel_hdmi.c drm/i915: Avoid HPD poll detect triggering a new detect cycle 2019-11-04 13:24:11 -08:00
intel_hdmi.h
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intel_hotplug.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_hotplug.h drm/i915: Add support for retrying hotplug 2019-07-15 12:13:34 -07:00
intel_lpe_audio.c
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intel_lpe_audio.h
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intel_lspcon.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_lspcon.h
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intel_lvds.c drm/i915: Wrappers for display register waits 2019-08-16 22:19:05 +01:00
intel_lvds.h
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intel_opregion.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_opregion.h
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intel_overlay.c drm/i915: Replace i915_vma_put_fence() 2019-08-22 08:53:42 +01:00
intel_overlay.h
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intel_panel.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_panel.h
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intel_pipe_crc.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_pipe_crc.h
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intel_psr.c drm/i915: Wrappers for display register waits 2019-08-16 22:19:05 +01:00
intel_psr.h
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intel_quirks.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_quirks.h
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intel_sdvo.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_sdvo.h
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intel_sdvo_regs.h
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intel_sprite.c drm/i915: Fix g4x sprite scaling stride check with GTT remapping 2019-10-02 22:20:33 -07:00
intel_sprite.h drm/i915/sprite: un-inline icl_is_hdr_plane() 2019-08-07 12:01:35 +03:00
intel_tc.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_tc.h drm/i915/tc: un-inline intel_tc_port_ref_held() 2019-08-07 12:02:02 +03:00
intel_tv.c drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
intel_tv.h
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intel_vbt_defs.h drm/i915/gen11: Allow usage of all GPIO pins 2019-08-19 07:51:12 -07:00
intel_vdsc.c drm main pull for 5.4-rc1 2019-09-19 16:24:24 -07:00
intel_vdsc.h
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vlv_dsi.c drm/i915: Wrappers for display register waits 2019-08-16 22:19:05 +01:00
vlv_dsi_pll.c drm/i915: Wrappers for display register waits 2019-08-16 22:19:05 +01:00