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authorLinus Torvalds <torvalds@linux-foundation.org>2015-06-26 13:18:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-06-26 13:18:51 -0700
commit099bfbfc7fbbe22356c02f0caf709ac32e1126ea (patch)
treec2dfe2f9445255d866e9203cff9e9f865ef93513 /drivers/gpu/drm/radeon/trinity_dpm.c
parent22165fa79814e71e7a5974b3c37a5028ed16c8f9 (diff)
parentc5fd936e992dd2829167d2adc63e151675ca6898 (diff)
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie: "This is the main drm pull request for v4.2. I've one other new driver from freescale on my radar, it's been posted and reviewed, I'd just like to get someone to give it a last look, so maybe I'll send it or maybe I'll leave it. There is no major nouveau changes in here, Ben was working on something big, and we agreed it was a bit late, there wasn't anything else he considered urgent to merge. There might be another msm pull for some bits that are waiting on arm-soc, I'll see how we time it. This touches some "of" stuff, acks are in place except for the fixes to the build in various configs,t hat I just applied. Summary: New drivers: - virtio-gpu: KMS only pieces of driver for virtio-gpu in qemu. This is just the first part of this driver, enough to run unaccelerated userspace on. As qemu merges more we'll start adding the 3D features for the virgl 3d work. - amdgpu: a new driver from AMD to driver their newer GPUs. (VI+) It contains a new cleaner userspace API, and is a clean break from radeon moving forward, that AMD are going to concentrate on. It also contains a set of register headers auto generated from AMD internal database. core: - atomic modesetting API completed, enabled by default now. - Add support for mode_id blob to atomic ioctl to complete interface. - bunch of Displayport MST fixes - lots of misc fixes. panel: - new simple panels - fix some long-standing build issues with bridge drivers radeon: - VCE1 support - add a GPU reset counter for userspace - lots of fixes. amdkfd: - H/W debugger support module - static user-mode queues - support killing all the waves when a process terminates - use standard DECLARE_BITMAP i915: - Add Broxton support - S3, rotation support for Skylake - RPS booting tuning - CPT modeset sequence fixes - ns2501 dither support - enable cmd parser on haswell - cdclk handling fixes - gen8 dynamic pte allocation - lots of atomic conversion work exynos: - Add atomic modesetting support - Add iommu support - Consolidate drm driver initialization - and MIC, DECON and MIPI-DSI support for exynos5433 omapdrm: - atomic modesetting support (fixes lots of things in rewrite) tegra: - DP aux transaction fixes - iommu support fix msm: - adreno a306 support - various dsi bits - various 64-bit fixes - NV12MT support rcar-du: - atomic and misc fixes sti: - fix HDMI timing complaince tilcdc: - use drm component API to access tda998x driver - fix module unloading qxl: - stability fixes" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (872 commits) drm/nouveau: Pause between setting gpu to D3hot and cutting the power drm/dp/mst: close deadlock in connector destruction. drm: Always enable atomic API drm/vgem: Set unique to "vgem" of: fix a build error to of_graph_get_endpoint_by_regs function drm/dp/mst: take lock around looking up the branch device on hpd irq drm/dp/mst: make sure mst_primary mstb is valid in work function of: add EXPORT_SYMBOL for of_graph_get_endpoint_by_regs ARM: dts: rename the clock of MIPI DSI 'pll_clk' to 'sclk_mipi' drm/atomic: Don't set crtc_state->enable manually drm/exynos: dsi: do not set TE GPIO direction by input drm/exynos: dsi: add support for MIC driver as a bridge drm/exynos: dsi: add support for Exynos5433 drm/exynos: dsi: make use of array for clock access drm/exynos: dsi: make use of driver data for static values drm/exynos: dsi: add macros for register access drm/exynos: dsi: rename pll_clk to sclk_clk drm/exynos: mic: add MIC driver of: add helper for getting endpoint node of specific identifiers drm/exynos: add Exynos5433 decon driver ...
Diffstat (limited to 'drivers/gpu/drm/radeon/trinity_dpm.c')
-rw-r--r--drivers/gpu/drm/radeon/trinity_dpm.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index a5b02c575d77..d34bfcdab9be 100644
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -336,6 +336,7 @@ static const u32 trinity_override_mgpg_sequences[] =
0x00000204, 0x00000000,
};
+extern void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool enable);
static void trinity_program_clk_gating_hw_sequence(struct radeon_device *rdev,
const u32 *seq, u32 count);
static void trinity_override_dynamic_mg_powergating(struct radeon_device *rdev);
@@ -985,6 +986,21 @@ static void trinity_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev
trinity_setup_uvd_clocks(rdev, new_rps, old_rps);
}
+static void trinity_set_vce_clock(struct radeon_device *rdev,
+ struct radeon_ps *new_rps,
+ struct radeon_ps *old_rps)
+{
+ if ((old_rps->evclk != new_rps->evclk) ||
+ (old_rps->ecclk != new_rps->ecclk)) {
+ /* turn the clocks on when encoding, off otherwise */
+ if (new_rps->evclk || new_rps->ecclk)
+ vce_v1_0_enable_mgcg(rdev, false);
+ else
+ vce_v1_0_enable_mgcg(rdev, true);
+ radeon_set_vce_clocks(rdev, new_rps->evclk, new_rps->ecclk);
+ }
+}
+
static void trinity_program_ttt(struct radeon_device *rdev)
{
struct trinity_power_info *pi = trinity_get_pi(rdev);
@@ -1246,6 +1262,7 @@ int trinity_dpm_set_power_state(struct radeon_device *rdev)
trinity_force_level_0(rdev);
trinity_unforce_levels(rdev);
trinity_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
+ trinity_set_vce_clock(rdev, new_ps, old_ps);
}
trinity_release_mutex(rdev);
@@ -1483,7 +1500,35 @@ static void trinity_adjust_uvd_state(struct radeon_device *rdev,
}
}
+static int trinity_get_vce_clock_voltage(struct radeon_device *rdev,
+ u32 evclk, u32 ecclk, u16 *voltage)
+{
+ u32 i;
+ int ret = -EINVAL;
+ struct radeon_vce_clock_voltage_dependency_table *table =
+ &rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
+
+ if (((evclk == 0) && (ecclk == 0)) ||
+ (table && (table->count == 0))) {
+ *voltage = 0;
+ return 0;
+ }
+
+ for (i = 0; i < table->count; i++) {
+ if ((evclk <= table->entries[i].evclk) &&
+ (ecclk <= table->entries[i].ecclk)) {
+ *voltage = table->entries[i].v;
+ ret = 0;
+ break;
+ }
+ }
+
+ /* if no match return the highest voltage */
+ if (ret)
+ *voltage = table->entries[table->count - 1].v;
+ return ret;
+}
static void trinity_apply_state_adjust_rules(struct radeon_device *rdev,
struct radeon_ps *new_rps,
@@ -1496,6 +1541,7 @@ static void trinity_apply_state_adjust_rules(struct radeon_device *rdev,
u32 min_sclk = pi->sys_info.min_sclk; /* XXX check against disp reqs */
u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */
u32 i;
+ u16 min_vce_voltage;
bool force_high;
u32 num_active_displays = rdev->pm.dpm.new_active_crtc_count;
@@ -1504,6 +1550,14 @@ static void trinity_apply_state_adjust_rules(struct radeon_device *rdev,
trinity_adjust_uvd_state(rdev, new_rps);
+ if (new_rps->vce_active) {
+ new_rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;
+ new_rps->ecclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].ecclk;
+ } else {
+ new_rps->evclk = 0;
+ new_rps->ecclk = 0;
+ }
+
for (i = 0; i < ps->num_levels; i++) {
if (ps->levels[i].vddc_index < min_voltage)
ps->levels[i].vddc_index = min_voltage;
@@ -1512,6 +1566,17 @@ static void trinity_apply_state_adjust_rules(struct radeon_device *rdev,
ps->levels[i].sclk =
trinity_get_valid_engine_clock(rdev, min_sclk);
+ /* patch in vce limits */
+ if (new_rps->vce_active) {
+ /* sclk */
+ if (ps->levels[i].sclk < rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk)
+ ps->levels[i].sclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk;
+ /* vddc */
+ trinity_get_vce_clock_voltage(rdev, new_rps->evclk, new_rps->ecclk, &min_vce_voltage);
+ if (ps->levels[i].vddc_index < min_vce_voltage)
+ ps->levels[i].vddc_index = min_vce_voltage;
+ }
+
ps->levels[i].ds_divider_index =
sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, sclk_in_sr);
@@ -1733,6 +1798,19 @@ static int trinity_parse_power_table(struct radeon_device *rdev)
power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
}
rdev->pm.dpm.num_ps = state_array->ucNumEntries;
+
+ /* fill in the vce power states */
+ for (i = 0; i < RADEON_MAX_VCE_LEVELS; i++) {
+ u32 sclk;
+ clock_array_index = rdev->pm.dpm.vce_states[i].clk_idx;
+ clock_info = (union pplib_clock_info *)
+ &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
+ sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
+ sclk |= clock_info->sumo.ucEngineClockHigh << 16;
+ rdev->pm.dpm.vce_states[i].sclk = sclk;
+ rdev->pm.dpm.vce_states[i].mclk = 0;
+ }
+
return 0;
}
@@ -1914,6 +1992,10 @@ int trinity_dpm_init(struct radeon_device *rdev)
if (ret)
return ret;
+ ret = r600_parse_extended_power_table(rdev);
+ if (ret)
+ return ret;
+
ret = trinity_parse_power_table(rdev);
if (ret)
return ret;
@@ -2000,6 +2082,7 @@ void trinity_dpm_fini(struct radeon_device *rdev)
}
kfree(rdev->pm.dpm.ps);
kfree(rdev->pm.dpm.priv);
+ r600_free_extended_power_table(rdev);
}
u32 trinity_dpm_get_sclk(struct radeon_device *rdev, bool low)