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Message-Id: <1362062689-2567-87-git-send-email-luis.henriques@canonical.com> Date: Thu, 28 Feb 2013 14:43:56 +0000 From: Luis Henriques <luis.henriques@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Paulo Zanoni <przanoni@...il.com>, Ben Widawsky <ben@...dawsk.net>, Daniel Vetter <daniel.vetter@...ll.ch>, Luis Henriques <luis.henriques@...onical.com> Subject: [PATCH 086/139] drm/i915: Fix CAGF for HSW 3.5.7.7 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Ben Widawsky <ben@...dawsk.net> commit f82855d342b6c8483c56e6d2e200a71731509a39 upstream. The shift changed, hurray. Reported-by: Kenneth Graunke <kenneth@...tecape.org> Cc: Paulo Zanoni <przanoni@...il.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@...el.com> Tested-by: Paulo Zanoni <paulo.r.zanoni@...el.com> Signed-off-by: Ben Widawsky <ben@...dawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@...ll.ch> [ luis: removed reference to GT_FREQUENCY_MULTIPLIER, replacing it by 50 ] Signed-off-by: Luis Henriques <luis.henriques@...onical.com> --- drivers/gpu/drm/i915/i915_debugfs.c | 10 +++++++--- drivers/gpu/drm/i915/i915_reg.h | 2 ++ 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index ca472ca..3459e27 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -894,7 +894,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); - u32 rpstat; + u32 rpstat, cagf; u32 rpupei, rpcurup, rpprevup; u32 rpdownei, rpcurdown, rpprevdown; int max_freq; @@ -913,6 +913,11 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI); rpcurdown = I915_READ(GEN6_RP_CUR_DOWN); rpprevdown = I915_READ(GEN6_RP_PREV_DOWN); + if (IS_HASWELL(dev)) + cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; + else + cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; + cagf *= 50; gen6_gt_force_wake_put(dev_priv); mutex_unlock(&dev->struct_mutex); @@ -925,8 +930,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) gt_perf_status & 0xff); seq_printf(m, "Render p-state limit: %d\n", rp_state_limits & 0xff); - seq_printf(m, "CAGF: %dMHz\n", ((rpstat & GEN6_CAGF_MASK) >> - GEN6_CAGF_SHIFT) * 50); + seq_printf(m, "CAGF: %dMHz\n", cagf); seq_printf(m, "RP CUR UP EI: %dus\n", rpupei & GEN6_CURICONT_MASK); seq_printf(m, "RP CUR UP: %dus\n", rpcurup & diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 44feabe..26b8bba 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4045,7 +4045,9 @@ #define GEN6_RP_INTERRUPT_LIMITS 0xA014 #define GEN6_RPSTAT1 0xA01C #define GEN6_CAGF_SHIFT 8 +#define HSW_CAGF_SHIFT 7 #define GEN6_CAGF_MASK (0x7f << GEN6_CAGF_SHIFT) +#define HSW_CAGF_MASK (0x7f << HSW_CAGF_SHIFT) #define GEN6_RP_CONTROL 0xA024 #define GEN6_RP_MEDIA_TURBO (1<<11) #define GEN6_RP_MEDIA_MODE_MASK (3<<9) -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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