diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 319 |
1 files changed, 169 insertions, 150 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 65bc3709f54c..ecbb3d141632 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -47,8 +47,9 @@ #include "i915_fixed.h" #include "i915_irq.h" #include "i915_trace.h" +#include "intel_pcode.h" #include "intel_pm.h" -#include "intel_sideband.h" +#include "vlv_sideband.h" #include "../../../platform/x86/intel_ips.h" /* Stores plane specific WM parameters */ @@ -76,6 +77,8 @@ struct intel_wm_config { static void gen9_init_clock_gating(struct drm_i915_private *dev_priv) { + enum pipe pipe; + if (HAS_LLC(dev_priv)) { /* * WaCompressedResourceDisplayNewHashMode:skl,kbl @@ -89,6 +92,16 @@ static void gen9_init_clock_gating(struct drm_i915_private *dev_priv) SKL_DE_COMPRESSED_HASH_MODE); } + for_each_pipe(dev_priv, pipe) { + /* + * "Plane N strech max must be programmed to 11b (x1) + * when Async flips are enabled on that plane." + */ + if (!IS_GEMINILAKE(dev_priv) && intel_vtd_active()) + intel_uncore_rmw(&dev_priv->uncore, CHICKEN_PIPESL_1(pipe), + SKL_PLANE1_STRETCH_MAX_MASK, SKL_PLANE1_STRETCH_MAX_X1); + } + /* See Bspec note for PSR2_CTL bit 31, Wa#828:skl,bxt,kbl,cfl */ intel_uncore_write(&dev_priv->uncore, CHICKEN_PAR1_1, intel_uncore_read(&dev_priv->uncore, CHICKEN_PAR1_1) | SKL_EDP_PSR_FIX_RDWRAP); @@ -881,9 +894,8 @@ static struct intel_crtc *single_enabled_crtc(struct drm_i915_private *dev_priv) return enabled; } -static void pnv_update_wm(struct intel_crtc *unused_crtc) +static void pnv_update_wm(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev); struct intel_crtc *crtc; const struct cxsr_latency *latency; u32 reg; @@ -1152,17 +1164,13 @@ static u16 g4x_compute_wm(const struct intel_crtc_state *crtc_state, cpp = plane_state->hw.fb->format->cpp[0]; /* - * Not 100% sure which way ELK should go here as the - * spec only says CL/CTG should assume 32bpp and BW - * doesn't need to. But as these things followed the - * mobile vs. desktop lines on gen3 as well, let's - * assume ELK doesn't need this. + * WaUse32BppForSRWM:ctg,elk * - * The spec also fails to list such a restriction for - * the HPLL watermark, which seems a little strange. + * The spec fails to list this restriction for the + * HPLL watermark, which seems a little strange. * Let's use 32bpp for the HPLL watermark as well. */ - if (IS_GM45(dev_priv) && plane->id == PLANE_PRIMARY && + if (plane->id == PLANE_PRIMARY && level != G4X_WM_LEVEL_NORMAL) cpp = max(cpp, 4u); @@ -1376,8 +1384,7 @@ static int g4x_compute_pipe_wm(struct intel_atomic_state *state, struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); struct g4x_wm_state *wm_state = &crtc_state->wm.g4x.optimal; - int num_active_planes = hweight8(crtc_state->active_planes & - ~BIT(PLANE_CURSOR)); + u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR); const struct g4x_pipe_wm *raw; const struct intel_plane_state *old_plane_state; const struct intel_plane_state *new_plane_state; @@ -1417,7 +1424,7 @@ static int g4x_compute_pipe_wm(struct intel_atomic_state *state, wm_state->sr.cursor = raw->plane[PLANE_CURSOR]; wm_state->sr.fbc = raw->fbc; - wm_state->cxsr = num_active_planes == BIT(PLANE_PRIMARY); + wm_state->cxsr = active_planes == BIT(PLANE_PRIMARY); level = G4X_WM_LEVEL_HPLL; if (!g4x_raw_crtc_wm_is_valid(crtc_state, level)) @@ -1708,7 +1715,7 @@ static int vlv_compute_fifo(struct intel_crtc_state *crtc_state) const struct g4x_pipe_wm *raw = &crtc_state->wm.vlv.raw[VLV_WM_LEVEL_PM2]; struct vlv_fifo_state *fifo_state = &crtc_state->wm.vlv.fifo_state; - unsigned int active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR); + u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR); int num_active_planes = hweight8(active_planes); const int fifo_size = 511; int fifo_extra, fifo_left = fifo_size; @@ -1900,8 +1907,8 @@ static int vlv_compute_pipe_wm(struct intel_atomic_state *state, struct vlv_wm_state *wm_state = &crtc_state->wm.vlv.optimal; const struct vlv_fifo_state *fifo_state = &crtc_state->wm.vlv.fifo_state; - int num_active_planes = hweight8(crtc_state->active_planes & - ~BIT(PLANE_CURSOR)); + u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR); + int num_active_planes = hweight8(active_planes); bool needs_modeset = drm_atomic_crtc_needs_modeset(&crtc_state->uapi); const struct intel_plane_state *old_plane_state; const struct intel_plane_state *new_plane_state; @@ -2253,9 +2260,8 @@ static void vlv_optimize_watermarks(struct intel_atomic_state *state, mutex_unlock(&dev_priv->wm.wm_mutex); } -static void i965_update_wm(struct intel_crtc *unused_crtc) +static void i965_update_wm(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev); struct intel_crtc *crtc; int srwm = 1; int cursor_sr = 16; @@ -2329,9 +2335,8 @@ static void i965_update_wm(struct intel_crtc *unused_crtc) #undef FW_WM -static void i9xx_update_wm(struct intel_crtc *unused_crtc) +static void i9xx_update_wm(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev); const struct intel_watermark_params *wm_info; u32 fwater_lo; u32 fwater_hi; @@ -2347,7 +2352,10 @@ static void i9xx_update_wm(struct intel_crtc *unused_crtc) else wm_info = &i830_a_wm_info; - fifo_size = dev_priv->display.get_fifo_size(dev_priv, PLANE_A); + if (DISPLAY_VER(dev_priv) == 2) + fifo_size = i830_get_fifo_size(dev_priv, PLANE_A); + else + fifo_size = i9xx_get_fifo_size(dev_priv, PLANE_A); crtc = intel_get_crtc_for_plane(dev_priv, PLANE_A); if (intel_crtc_active(crtc)) { const struct drm_display_mode *pipe_mode = @@ -2374,7 +2382,10 @@ static void i9xx_update_wm(struct intel_crtc *unused_crtc) if (DISPLAY_VER(dev_priv) == 2) wm_info = &i830_bc_wm_info; - fifo_size = dev_priv->display.get_fifo_size(dev_priv, PLANE_B); + if (DISPLAY_VER(dev_priv) == 2) + fifo_size = i830_get_fifo_size(dev_priv, PLANE_B); + else + fifo_size = i9xx_get_fifo_size(dev_priv, PLANE_B); crtc = intel_get_crtc_for_plane(dev_priv, PLANE_B); if (intel_crtc_active(crtc)) { const struct drm_display_mode *pipe_mode = @@ -2475,9 +2486,8 @@ static void i9xx_update_wm(struct intel_crtc *unused_crtc) intel_set_memory_cxsr(dev_priv, true); } -static void i845_update_wm(struct intel_crtc *unused_crtc) +static void i845_update_wm(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev); struct intel_crtc *crtc; const struct drm_display_mode *pipe_mode; u32 fwater_lo; @@ -2490,7 +2500,7 @@ static void i845_update_wm(struct intel_crtc *unused_crtc) pipe_mode = &crtc->config->hw.pipe_mode; planea_wm = intel_calculate_wm(pipe_mode->crtc_clock, &i845_wm_info, - dev_priv->display.get_fifo_size(dev_priv, PLANE_A), + i845_get_fifo_size(dev_priv, PLANE_A), 4, pessimal_latency_ns); fwater_lo = intel_uncore_read(&dev_priv->uncore, FW_BLC) & ~0xfff; fwater_lo |= (3<<8) | planea_wm; @@ -2859,6 +2869,7 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv, u32 val; int ret, i; int level, max_level = ilk_wm_max_level(dev_priv); + int mult = IS_DG2(dev_priv) ? 2 : 1; /* read the first set of memory latencies[0:3] */ val = 0; /* data0 to be programmed to 0 for first set */ @@ -2872,13 +2883,13 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv, return; } - wm[0] = val & GEN9_MEM_LATENCY_LEVEL_MASK; - wm[1] = (val >> GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; - wm[2] = (val >> GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; - wm[3] = (val >> GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; + wm[0] = (val & GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[1] = ((val >> GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[2] = ((val >> GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[3] = ((val >> GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; /* read the second set of memory latencies[4:7] */ val = 1; /* data0 to be programmed to 1 for second set */ @@ -2891,13 +2902,13 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv, return; } - wm[4] = val & GEN9_MEM_LATENCY_LEVEL_MASK; - wm[5] = (val >> GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; - wm[6] = (val >> GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; - wm[7] = (val >> GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT) & - GEN9_MEM_LATENCY_LEVEL_MASK; + wm[4] = (val & GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[5] = ((val >> GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[6] = ((val >> GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; + wm[7] = ((val >> GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT) & + GEN9_MEM_LATENCY_LEVEL_MASK) * mult; /* * If a level n (n > 1) has a 0us latency, all levels m (m >= n) @@ -6832,7 +6843,8 @@ void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv) for_each_plane_id_on_crtc(crtc, plane_id) raw->plane[plane_id] = active->wm.plane[plane_id]; - if (++level > max_level) + level = G4X_WM_LEVEL_SR; + if (level > max_level) goto out; raw = &crtc_state->wm.g4x.raw[level]; @@ -6841,7 +6853,8 @@ void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv) raw->plane[PLANE_SPRITE0] = 0; raw->fbc = active->sr.fbc; - if (++level > max_level) + level = G4X_WM_LEVEL_HPLL; + if (level > max_level) goto out; raw = &crtc_state->wm.g4x.raw[level]; @@ -6850,6 +6863,7 @@ void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv) raw->plane[PLANE_SPRITE0] = 0; raw->fbc = active->hpll.fbc; + level++; out: for_each_plane_id_on_crtc(crtc, plane_id) g4x_raw_plane_wm_set(crtc_state, level, @@ -7129,47 +7143,6 @@ void ilk_wm_get_hw_state(struct drm_i915_private *dev_priv) !(intel_uncore_read(&dev_priv->uncore, DISP_ARB_CTL) & DISP_FBC_WM_DIS); } -/** - * intel_update_watermarks - update FIFO watermark values based on current modes - * @crtc: the #intel_crtc on which to compute the WM - * - * Calculate watermark values for the various WM regs based on current mode - * and plane configuration. - * - * There are several cases to deal with here: - * - normal (i.e. non-self-refresh) - * - self-refresh (SR) mode - * - lines are large relative to FIFO size (buffer can hold up to 2) - * - lines are small relative to FIFO size (buffer can hold more than 2 - * lines), so need to account for TLB latency - * - * The normal calculation is: - * watermark = dotclock * bytes per pixel * latency - * where latency is platform & configuration dependent (we assume pessimal - * values here). - * - * The SR calculation is: - * watermark = (trunc(latency/line time)+1) * surface width * - * bytes per pixel - * where - * line time = htotal / dotclock - * surface width = hdisplay for normal plane and 64 for cursor - * and latency is assumed to be high, as above. - * - * The final value programmed to the register should always be rounded up, - * and include an extra 2 entries to account for clock crossings. - * - * We don't use the sprite, so we can ignore that. And on Crestline we have - * to set the non-SR watermarks to 8. - */ -void intel_update_watermarks(struct intel_crtc *crtc) -{ - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - - if (dev_priv->display.update_wm) - dev_priv->display.update_wm(crtc); -} - void intel_enable_ipc(struct drm_i915_private *dev_priv) { u32 val; @@ -7627,11 +7600,6 @@ static void bdw_init_clock_gating(struct drm_i915_private *dev_priv) intel_uncore_write(&dev_priv->uncore, CHICKEN_PIPESL_1(pipe), intel_uncore_read(&dev_priv->uncore, CHICKEN_PIPESL_1(pipe)) | BDW_DPRS_MASK_VBLANK_SRD); - - /* Undocumented but fixes async flip + VT-d corruption */ - if (intel_vtd_active()) - intel_uncore_rmw(&dev_priv->uncore, CHICKEN_PIPESL_1(pipe), - HSW_PRI_STRETCH_MAX_MASK, HSW_PRI_STRETCH_MAX_X1); } /* WaVSRefCountFullforceMissDisable:bdw */ @@ -7667,20 +7635,11 @@ static void bdw_init_clock_gating(struct drm_i915_private *dev_priv) static void hsw_init_clock_gating(struct drm_i915_private *dev_priv) { - enum pipe pipe; - /* WaFbcAsynchFlipDisableFbcQueue:hsw,bdw */ intel_uncore_write(&dev_priv->uncore, CHICKEN_PIPESL_1(PIPE_A), intel_uncore_read(&dev_priv->uncore, CHICKEN_PIPESL_1(PIPE_A)) | HSW_FBCQ_DIS); - for_each_pipe(dev_priv, pipe) { - /* Undocumented but fixes async flip + VT-d corruption */ - if (intel_vtd_active()) - intel_uncore_rmw(&dev_priv->uncore, CHICKEN_PIPESL_1(pipe), - HSW_PRI_STRETCH_MAX_MASK, HSW_PRI_STRETCH_MAX_X1); - } - /* This is required by WaCatErrorRejectionIssue:hsw */ intel_uncore_write(&dev_priv->uncore, GEN7_SQ_CHICKEN_MBCUNIT_CONFIG, intel_uncore_read(&dev_priv->uncore, GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) | @@ -7909,7 +7868,7 @@ static void i830_init_clock_gating(struct drm_i915_private *dev_priv) void intel_init_clock_gating(struct drm_i915_private *dev_priv) { - dev_priv->display.init_clock_gating(dev_priv); + dev_priv->clock_gating_funcs->init_clock_gating(dev_priv); } void intel_suspend_hw(struct drm_i915_private *dev_priv) @@ -7924,6 +7883,36 @@ static void nop_init_clock_gating(struct drm_i915_private *dev_priv) "No clock gating settings or workarounds applied.\n"); } +#define CG_FUNCS(platform) \ +static const struct drm_i915_clock_gating_funcs platform##_clock_gating_funcs = { \ + .init_clock_gating = platform##_init_clock_gating, \ +} + +CG_FUNCS(adlp); +CG_FUNCS(dg1); +CG_FUNCS(gen12lp); +CG_FUNCS(icl); +CG_FUNCS(cfl); +CG_FUNCS(skl); +CG_FUNCS(kbl); +CG_FUNCS(bxt); +CG_FUNCS(glk); +CG_FUNCS(bdw); +CG_FUNCS(chv); +CG_FUNCS(hsw); +CG_FUNCS(ivb); +CG_FUNCS(vlv); +CG_FUNCS(gen6); +CG_FUNCS(ilk); +CG_FUNCS(g4x); +CG_FUNCS(i965gm); +CG_FUNCS(i965g); +CG_FUNCS(gen3); +CG_FUNCS(i85x); +CG_FUNCS(i830); +CG_FUNCS(nop); +#undef CG_FUNCS + /** * intel_init_clock_gating_hooks - setup the clock gating hooks * @dev_priv: device private @@ -7936,55 +7925,100 @@ static void nop_init_clock_gating(struct drm_i915_private *dev_priv) void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv) { if (IS_ALDERLAKE_P(dev_priv)) - dev_priv->display.init_clock_gating = adlp_init_clock_gating; + dev_priv->clock_gating_funcs = &adlp_clock_gating_funcs; else if (IS_DG1(dev_priv)) - dev_priv->display.init_clock_gating = dg1_init_clock_gating; + dev_priv->clock_gating_funcs = &dg1_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 12) - dev_priv->display.init_clock_gating = gen12lp_init_clock_gating; + dev_priv->clock_gating_funcs = &gen12lp_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 11) - dev_priv->display.init_clock_gating = icl_init_clock_gating; + dev_priv->clock_gating_funcs = &icl_clock_gating_funcs; else if (IS_COFFEELAKE(dev_priv) || IS_COMETLAKE(dev_priv)) - dev_priv->display.init_clock_gating = cfl_init_clock_gating; + dev_priv->clock_gating_funcs = &cfl_clock_gating_funcs; else if (IS_SKYLAKE(dev_priv)) - dev_priv->display.init_clock_gating = skl_init_clock_gating; + dev_priv->clock_gating_funcs = &skl_clock_gating_funcs; else if (IS_KABYLAKE(dev_priv)) - dev_priv->display.init_clock_gating = kbl_init_clock_gating; + dev_priv->clock_gating_funcs = &kbl_clock_gating_funcs; else if (IS_BROXTON(dev_priv)) - dev_priv->display.init_clock_gating = bxt_init_clock_gating; + dev_priv->clock_gating_funcs = &bxt_clock_gating_funcs; else if (IS_GEMINILAKE(dev_priv)) - dev_priv->display.init_clock_gating = glk_init_clock_gating; + dev_priv->clock_gating_funcs = &glk_clock_gating_funcs; else if (IS_BROADWELL(dev_priv)) - dev_priv->display.init_clock_gating = bdw_init_clock_gating; + dev_priv->clock_gating_funcs = &bdw_clock_gating_funcs; else if (IS_CHERRYVIEW(dev_priv)) - dev_priv->display.init_clock_gating = chv_init_clock_gating; + dev_priv->clock_gating_funcs = &chv_clock_gating_funcs; else if (IS_HASWELL(dev_priv)) - dev_priv->display.init_clock_gating = hsw_init_clock_gating; + dev_priv->clock_gating_funcs = &hsw_clock_gating_funcs; else if (IS_IVYBRIDGE(dev_priv)) - dev_priv->display.init_clock_gating = ivb_init_clock_gating; + dev_priv->clock_gating_funcs = &ivb_clock_gating_funcs; else if (IS_VALLEYVIEW(dev_priv)) - dev_priv->display.init_clock_gating = vlv_init_clock_gating; + dev_priv->clock_gating_funcs = &vlv_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 6) - dev_priv->display.init_clock_gating = gen6_init_clock_gating; + dev_priv->clock_gating_funcs = &gen6_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 5) - dev_priv->display.init_clock_gating = ilk_init_clock_gating; + dev_priv->clock_gating_funcs = &ilk_clock_gating_funcs; else if (IS_G4X(dev_priv)) - dev_priv->display.init_clock_gating = g4x_init_clock_gating; + dev_priv->clock_gating_funcs = &g4x_clock_gating_funcs; else if (IS_I965GM(dev_priv)) - dev_priv->display.init_clock_gating = i965gm_init_clock_gating; + dev_priv->clock_gating_funcs = &i965gm_clock_gating_funcs; else if (IS_I965G(dev_priv)) - dev_priv->display.init_clock_gating = i965g_init_clock_gating; + dev_priv->clock_gating_funcs = &i965g_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 3) - dev_priv->display.init_clock_gating = gen3_init_clock_gating; + dev_priv->clock_gating_funcs = &gen3_clock_gating_funcs; else if (IS_I85X(dev_priv) || IS_I865G(dev_priv)) - dev_priv->display.init_clock_gating = i85x_init_clock_gating; + dev_priv->clock_gating_funcs = &i85x_clock_gating_funcs; else if (GRAPHICS_VER(dev_priv) == 2) - dev_priv->display.init_clock_gating = i830_init_clock_gating; + dev_priv->clock_gating_funcs = &i830_clock_gating_funcs; else { MISSING_CASE(INTEL_DEVID(dev_priv)); - dev_priv->display.init_clock_gating = nop_init_clock_gating; + dev_priv->clock_gating_funcs = &nop_clock_gating_funcs; } } +static const struct drm_i915_wm_disp_funcs skl_wm_funcs = { + .compute_global_watermarks = skl_compute_wm, +}; + +static const struct drm_i915_wm_disp_funcs ilk_wm_funcs = { + .compute_pipe_wm = ilk_compute_pipe_wm, + .compute_intermediate_wm = ilk_compute_intermediate_wm, + .initial_watermarks = ilk_initial_watermarks, + .optimize_watermarks = ilk_optimize_watermarks, +}; + +static const struct drm_i915_wm_disp_funcs vlv_wm_funcs = { + .compute_pipe_wm = vlv_compute_pipe_wm, + .compute_intermediate_wm = vlv_compute_intermediate_wm, + .initial_watermarks = vlv_initial_watermarks, + .optimize_watermarks = vlv_optimize_watermarks, + .atomic_update_watermarks = vlv_atomic_update_fifo, +}; + +static const struct drm_i915_wm_disp_funcs g4x_wm_funcs = { + .compute_pipe_wm = g4x_compute_pipe_wm, + .compute_intermediate_wm = g4x_compute_intermediate_wm, + .initial_watermarks = g4x_initial_watermarks, + .optimize_watermarks = g4x_optimize_watermarks, +}; + +static const struct drm_i915_wm_disp_funcs pnv_wm_funcs = { + .update_wm = pnv_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs i965_wm_funcs = { + .update_wm = i965_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs i9xx_wm_funcs = { + .update_wm = i9xx_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs i845_wm_funcs = { + .update_wm = i845_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs nop_funcs = { +}; + /* Set up chip specific power management-related functions */ void intel_init_pm(struct drm_i915_private *dev_priv) { @@ -8000,7 +8034,7 @@ void intel_init_pm(struct drm_i915_private *dev_priv) /* For FIFO watermark updates */ if (DISPLAY_VER(dev_priv) >= 9) { skl_setup_wm_latency(dev_priv); - dev_priv->display.compute_global_watermarks = skl_compute_wm; + dev_priv->wm_disp = &skl_wm_funcs; } else if (HAS_PCH_SPLIT(dev_priv)) { ilk_setup_wm_latency(dev_priv); @@ -8008,31 +8042,19 @@ void intel_init_pm(struct drm_i915_private *dev_priv) dev_priv->wm.spr_latency[1] && dev_priv->wm.cur_latency[1]) || (DISPLAY_VER(dev_priv) != 5 && dev_priv->wm.pri_latency[0] && dev_priv->wm.spr_latency[0] && dev_priv->wm.cur_latency[0])) { - dev_priv->display.compute_pipe_wm = ilk_compute_pipe_wm; - dev_priv->display.compute_intermediate_wm = - ilk_compute_intermediate_wm; - dev_priv->display.initial_watermarks = - ilk_initial_watermarks; - dev_priv->display.optimize_watermarks = - ilk_optimize_watermarks; + dev_priv->wm_disp = &ilk_wm_funcs; } else { drm_dbg_kms(&dev_priv->drm, "Failed to read display plane latency. " "Disable CxSR\n"); + dev_priv->wm_disp = &nop_funcs; } } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { vlv_setup_wm_latency(dev_priv); - dev_priv->display.compute_pipe_wm = vlv_compute_pipe_wm; - dev_priv->display.compute_intermediate_wm = vlv_compute_intermediate_wm; - dev_priv->display.initial_watermarks = vlv_initial_watermarks; - dev_priv->display.optimize_watermarks = vlv_optimize_watermarks; - dev_priv->display.atomic_update_watermarks = vlv_atomic_update_fifo; + dev_priv->wm_disp = &vlv_wm_funcs; } else if (IS_G4X(dev_priv)) { g4x_setup_wm_latency(dev_priv); - dev_priv->display.compute_pipe_wm = g4x_compute_pipe_wm; - dev_priv->display.compute_intermediate_wm = g4x_compute_intermediate_wm; - dev_priv->display.initial_watermarks = g4x_initial_watermarks; - dev_priv->display.optimize_watermarks = g4x_optimize_watermarks; + dev_priv->wm_disp = &g4x_wm_funcs; } else if (IS_PINEVIEW(dev_priv)) { if (!intel_get_cxsr_latency(!IS_MOBILE(dev_priv), dev_priv->is_ddr3, @@ -8046,25 +8068,22 @@ void intel_init_pm(struct drm_i915_private *dev_priv) dev_priv->fsb_freq, dev_priv->mem_freq); /* Disable CxSR and never update its watermark again */ intel_set_memory_cxsr(dev_priv, false); - dev_priv->display.update_wm = NULL; + dev_priv->wm_disp = &nop_funcs; } else - dev_priv->display.update_wm = pnv_update_wm; + dev_priv->wm_disp = &pnv_wm_funcs; } else if (DISPLAY_VER(dev_priv) == 4) { - dev_priv->display.update_wm = i965_update_wm; + dev_priv->wm_disp = &i965_wm_funcs; } else if (DISPLAY_VER(dev_priv) == 3) { - dev_priv->display.update_wm = i9xx_update_wm; - dev_priv->display.get_fifo_size = i9xx_get_fifo_size; + dev_priv->wm_disp = &i9xx_wm_funcs; } else if (DISPLAY_VER(dev_priv) == 2) { - if (INTEL_NUM_PIPES(dev_priv) == 1) { - dev_priv->display.update_wm = i845_update_wm; - dev_priv->display.get_fifo_size = i845_get_fifo_size; - } else { - dev_priv->display.update_wm = i9xx_update_wm; - dev_priv->display.get_fifo_size = i830_get_fifo_size; - } + if (INTEL_NUM_PIPES(dev_priv) == 1) + dev_priv->wm_disp = &i845_wm_funcs; + else + dev_priv->wm_disp = &i9xx_wm_funcs; } else { drm_err(&dev_priv->drm, "unexpected fall-through in %s\n", __func__); + dev_priv->wm_disp = &nop_funcs; } } |