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authorLinus Torvalds <torvalds@linux-foundation.org>2020-06-02 15:04:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-02 15:04:15 -0700
commitfaa392181a0bd42c5478175cef601adeecdc91b6 (patch)
treee020e1142e34786676d0cd40f539bccdbb66099e /drivers/gpu/drm/amd/display/modules/freesync/freesync.c
parentcfa3b8068b09f25037146bfd5eed041b78878bee (diff)
parent9ca1f474cea0edc14a1d7ec933e5472c0ff115d3 (diff)
Merge tag 'drm-next-2020-06-02' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "Highlights: - Core DRM had a lot of refactoring around managed drm resources to make drivers simpler. - Intel Tigerlake support is on by default - amdgpu now support p2p PCI buffer sharing and encrypted GPU memory Details: core: - uapi: error out EBUSY when existing master - uapi: rework SET/DROP MASTER permission handling - remove drm_pci.h - drm_pci* are now legacy - introduced managed DRM resources - subclassing support for drm_framebuffer - simple encoder helper - edid improvements - vblank + writeback documentation improved - drm/mm - optimise tree searches - port drivers to use devm_drm_dev_alloc dma-buf: - add flag for p2p buffer support mst: - ACT timeout improvements - remove drm_dp_mst_has_audio - don't use 2nd TX slot - spec recommends against it bridge: - dw-hdmi various improvements - chrontel ch7033 support - fix stack issues with old gcc hdmi: - add unpack function for drm infoframe fbdev: - misc fbdev driver fixes i915: - uapi: global sseu pinning - uapi: OA buffer polling - uapi: remove generated perf code - uapi: per-engine default property values in sysfs - Tigerlake GEN12 enabled. - Lots of gem refactoring - Tigerlake enablement patches - move to drm_device logging - Icelake gamma HW readout - push MST link retrain to hotplug work - bandwidth atomic helpers - ICL fixes - RPS/GT refactoring - Cherryview full-ppgtt support - i915 locking guidelines documented - require linear fb stride to be 512 multiple on gen9 - Tigerlake SAGV support amdgpu: - uapi: encrypted GPU memory handling - uapi: add MEM_SYNC IB flag - p2p dma-buf support - export VRAM dma-bufs - FRU chip access support - RAS/SR-IOV updates - Powerplay locking fixes - VCN DPG (powergating) enablement - GFX10 clockgating fixes - DC fixes - GPU reset fixes - navi SDMA fix - expose FP16 for modesetting - DP 1.4 compliance fixes - gfx10 soft recovery - Improved Critical Thermal Faults handling - resizable BAR on gmc10 amdkfd: - uapi: GWS resource management - track GPU memory per process - report PCI domain in topology radeon: - safe reg list generator fixes nouveau: - HD audio fixes on recent systems - vGPU detection (fail probe if we're on one, for now) - Interlaced mode fixes (mostly avoidance on Turing, which doesn't support it) - SVM improvements/fixes - NVIDIA format modifier support - Misc other fixes. adv7511: - HDMI SPDIF support ast: - allocate crtc state size - fix double assignment - fix suspend bochs: - drop connector register cirrus: - move to tiny drivers. exynos: - fix imported dma-buf mapping - enable runtime PM - fixes and cleanups mediatek: - DPI pin mode swap - config mipi_tx current/impedance lima: - devfreq + cooling device support - task handling improvements - runtime PM support pl111: - vexpress init improvements - fix module auto-load rcar-du: - DT bindings conversion to YAML - Planes zpos sanity check and fix - MAINTAINERS entry for LVDS panel driver mcde: - fix return value mgag200: - use managed config init stm: - read endpoints from DT vboxvideo: - use PCI managed functions - drop WC mtrr vkms: - enable cursor by default rockchip: - afbc support virtio: - various cleanups qxl: - fix cursor notify port hisilicon: - 128-byte stride alignment fix sun4i: - improved format handling" * tag 'drm-next-2020-06-02' of git://anongit.freedesktop.org/drm/drm: (1401 commits) drm/amd/display: Fix potential integer wraparound resulting in a hang drm/amd/display: drop cursor position check in atomic test drm/amdgpu: fix device attribute node create failed with multi gpu drm/nouveau: use correct conflicting framebuffer API drm/vblank: Fix -Wformat compile warnings on some arches drm/amdgpu: Sync with VM root BO when switching VM to CPU update mode drm/amd/display: Handle GPU reset for DC block drm/amdgpu: add apu flags (v2) drm/amd/powerpay: Disable gfxoff when setting manual mode on picasso and raven drm/amdgpu: fix pm sysfs node handling (v2) drm/amdgpu: move gpu_info parsing after common early init drm/amdgpu: move discovery gfx config fetching drm/nouveau/dispnv50: fix runtime pm imbalance on error drm/nouveau: fix runtime pm imbalance on error drm/nouveau: fix runtime pm imbalance on error drm/nouveau/debugfs: fix runtime pm imbalance on error drm/nouveau/nouveau/hmm: fix migrate zero page to GPU drm/nouveau/nouveau/hmm: fix nouveau_dmem_chunk allocations drm/nouveau/kms/nv50-: Share DP SST mode_valid() handling with MST drm/nouveau/kms/nv50-: Move 8BPC limit for MST into nv50_mstc_get_modes() ...
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/freesync/freesync.c')
-rw-r--r--drivers/gpu/drm/amd/display/modules/freesync/freesync.c101
1 files changed, 93 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index c33454a9e0b4..eb7421e83b86 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -443,7 +443,7 @@ static bool vrr_settings_require_update(struct core_freesync *core_freesync,
return true;
} else if (in_vrr->state == VRR_STATE_ACTIVE_FIXED &&
in_vrr->fixed.target_refresh_in_uhz !=
- in_config->min_refresh_in_uhz) {
+ in_config->fixed_refresh_in_uhz) {
return true;
} else if (in_vrr->min_refresh_in_uhz != min_refresh_in_uhz) {
return true;
@@ -491,7 +491,7 @@ bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
return false;
}
-static void build_vrr_infopacket_data(const struct mod_vrr_params *vrr,
+static void build_vrr_infopacket_data_v1(const struct mod_vrr_params *vrr,
struct dc_info_packet *infopacket)
{
/* PB1 = 0x1A (24bit AMD IEEE OUI (0x00001A) - Byte 0) */
@@ -523,14 +523,74 @@ static void build_vrr_infopacket_data(const struct mod_vrr_params *vrr,
vrr->state == VRR_STATE_ACTIVE_FIXED)
infopacket->sb[6] |= 0x04;
+ // For v1 & 2 infoframes program nominal if non-fs mode, otherwise full range
/* PB7 = FreeSync Minimum refresh rate (Hz) */
- infopacket->sb[7] = (unsigned char)((vrr->min_refresh_in_uhz + 500000) / 1000000);
+ if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+ vrr->state == VRR_STATE_ACTIVE_FIXED) {
+ infopacket->sb[7] = (unsigned char)((vrr->min_refresh_in_uhz + 500000) / 1000000);
+ } else {
+ infopacket->sb[7] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ }
/* PB8 = FreeSync Maximum refresh rate (Hz)
* Note: We should never go above the field rate of the mode timing set.
*/
infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ //FreeSync HDR
+ infopacket->sb[9] = 0;
+ infopacket->sb[10] = 0;
+}
+
+static void build_vrr_infopacket_data_v3(const struct mod_vrr_params *vrr,
+ struct dc_info_packet *infopacket)
+{
+ /* PB1 = 0x1A (24bit AMD IEEE OUI (0x00001A) - Byte 0) */
+ infopacket->sb[1] = 0x1A;
+
+ /* PB2 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 1) */
+ infopacket->sb[2] = 0x00;
+
+ /* PB3 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 2) */
+ infopacket->sb[3] = 0x00;
+
+ /* PB4 = Reserved */
+
+ /* PB5 = Reserved */
+
+ /* PB6 = [Bits 7:3 = Reserved] */
+
+ /* PB6 = [Bit 0 = FreeSync Supported] */
+ if (vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x01;
+
+ /* PB6 = [Bit 1 = FreeSync Enabled] */
+ if (vrr->state != VRR_STATE_DISABLED &&
+ vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x02;
+
+ /* PB6 = [Bit 2 = FreeSync Active] */
+ if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+ vrr->state == VRR_STATE_ACTIVE_FIXED)
+ infopacket->sb[6] |= 0x04;
+
+ if (vrr->state == VRR_STATE_ACTIVE_FIXED) {
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ infopacket->sb[7] = (unsigned char)((vrr->fixed_refresh_in_uhz + 500000) / 1000000);
+ /* PB8 = FreeSync Maximum refresh rate (Hz) */
+ infopacket->sb[8] = (unsigned char)((vrr->fixed_refresh_in_uhz + 500000) / 1000000);
+ } else if (vrr->state == VRR_STATE_ACTIVE_VARIABLE) {
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ infopacket->sb[7] = (unsigned char)((vrr->min_refresh_in_uhz + 500000) / 1000000);
+ /* PB8 = FreeSync Maximum refresh rate (Hz) */
+ infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ } else {
+ // Non-fs case, program nominal range
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ infopacket->sb[7] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ /* PB8 = FreeSync Maximum refresh rate (Hz) */
+ infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ }
//FreeSync HDR
infopacket->sb[9] = 0;
@@ -678,7 +738,7 @@ static void build_vrr_infopacket_v1(enum signal_type signal,
unsigned int payload_size = 0;
build_vrr_infopacket_header_v1(signal, infopacket, &payload_size);
- build_vrr_infopacket_data(vrr, infopacket);
+ build_vrr_infopacket_data_v1(vrr, infopacket);
build_vrr_infopacket_checksum(&payload_size, infopacket);
infopacket->valid = true;
@@ -692,7 +752,24 @@ static void build_vrr_infopacket_v2(enum signal_type signal,
unsigned int payload_size = 0;
build_vrr_infopacket_header_v2(signal, infopacket, &payload_size);
- build_vrr_infopacket_data(vrr, infopacket);
+ build_vrr_infopacket_data_v1(vrr, infopacket);
+
+ build_vrr_infopacket_fs2_data(app_tf, infopacket);
+
+ build_vrr_infopacket_checksum(&payload_size, infopacket);
+
+ infopacket->valid = true;
+}
+
+static void build_vrr_infopacket_v3(enum signal_type signal,
+ const struct mod_vrr_params *vrr,
+ enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket)
+{
+ unsigned int payload_size = 0;
+
+ build_vrr_infopacket_header_v2(signal, infopacket, &payload_size);
+ build_vrr_infopacket_data_v3(vrr, infopacket);
build_vrr_infopacket_fs2_data(app_tf, infopacket);
@@ -717,11 +794,14 @@ void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
return;
switch (packet_type) {
- case PACKET_TYPE_FS2:
+ case PACKET_TYPE_FS_V3:
+ build_vrr_infopacket_v3(stream->signal, vrr, app_tf, infopacket);
+ break;
+ case PACKET_TYPE_FS_V2:
build_vrr_infopacket_v2(stream->signal, vrr, app_tf, infopacket);
break;
case PACKET_TYPE_VRR:
- case PACKET_TYPE_FS1:
+ case PACKET_TYPE_FS_V1:
default:
build_vrr_infopacket_v1(stream->signal, vrr, infopacket);
}
@@ -793,6 +873,11 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
calc_duration_in_us_from_refresh_in_uhz(
(unsigned int)max_refresh_in_uhz);
+ if (in_config->state == VRR_STATE_ACTIVE_FIXED)
+ in_out_vrr->fixed_refresh_in_uhz = in_config->fixed_refresh_in_uhz;
+ else
+ in_out_vrr->fixed_refresh_in_uhz = 0;
+
refresh_range = in_out_vrr->max_refresh_in_uhz -
in_out_vrr->min_refresh_in_uhz;
@@ -843,7 +928,7 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
in_out_vrr->min_refresh_in_uhz);
} else if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED) {
in_out_vrr->fixed.target_refresh_in_uhz =
- in_out_vrr->min_refresh_in_uhz;
+ in_out_vrr->fixed_refresh_in_uhz;
if (in_out_vrr->fixed.ramping_active &&
in_out_vrr->fixed.fixed_active) {
/* Do not update vtotals if ramping is already active