[Intel-gfx] [PATCH v2 1/3] drm/i915/perf: Add helper macros for comparing with whitelisted registers

[Umesh Nerlige Ramappa]

Please ignore this patch. Not sure why only one patch landed in the 
mailing list.  I will resend.

Umesh

On Sat, Oct 19, 2019 at 09:58:21PM -0700, Umesh Nerlige Ramappa wrote:
>Add helper macros for range and equality comparisons and use them to
>check with whitelisted registers in oa configurations.
>
>Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>
>Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
>---
> drivers/gpu/drm/i915/i915_perf.c | 54 +++++++++++++++++---------------
> 1 file changed, 28 insertions(+), 26 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
>index 54ec1c4190ac..91707558a0f5 100644
>--- a/drivers/gpu/drm/i915/i915_perf.c
>+++ b/drivers/gpu/drm/i915/i915_perf.c
>@@ -3514,56 +3514,58 @@ static bool gen8_is_valid_flex_addr(struct i915_perf *perf, u32 addr)
> 	return false;
> }
>
>+#define ADDR_IN_RANGE(addr, start, end) \
>+	((addr) >= (start) && \
>+	 (addr) <= (end))
>+
>+#define REG_IN_RANGE(addr, start, end) \
>+	((addr) >= i915_mmio_reg_offset(start) && \
>+	 (addr) <= i915_mmio_reg_offset(end))
>+
>+#define REG_EQUAL(addr, mmio) \
>+	((addr) == i915_mmio_reg_offset(mmio))
>+
> static bool gen7_is_valid_b_counter_addr(struct i915_perf *perf, u32 addr)
> {
>-	return (addr >= i915_mmio_reg_offset(OASTARTTRIG1) &&
>-		addr <= i915_mmio_reg_offset(OASTARTTRIG8)) ||
>-		(addr >= i915_mmio_reg_offset(OAREPORTTRIG1) &&
>-		 addr <= i915_mmio_reg_offset(OAREPORTTRIG8)) ||
>-		(addr >= i915_mmio_reg_offset(OACEC0_0) &&
>-		 addr <= i915_mmio_reg_offset(OACEC7_1));
>+	return REG_IN_RANGE(addr, OASTARTTRIG1, OASTARTTRIG8) ||
>+	       REG_IN_RANGE(addr, OAREPORTTRIG1, OAREPORTTRIG8) ||
>+	       REG_IN_RANGE(addr, OACEC0_0, OACEC7_1);
> }
>
> static bool gen7_is_valid_mux_addr(struct i915_perf *perf, u32 addr)
> {
>-	return addr == i915_mmio_reg_offset(HALF_SLICE_CHICKEN2) ||
>-		(addr >= i915_mmio_reg_offset(MICRO_BP0_0) &&
>-		 addr <= i915_mmio_reg_offset(NOA_WRITE)) ||
>-		(addr >= i915_mmio_reg_offset(OA_PERFCNT1_LO) &&
>-		 addr <= i915_mmio_reg_offset(OA_PERFCNT2_HI)) ||
>-		(addr >= i915_mmio_reg_offset(OA_PERFMATRIX_LO) &&
>-		 addr <= i915_mmio_reg_offset(OA_PERFMATRIX_HI));
>+	return REG_EQUAL(addr, HALF_SLICE_CHICKEN2) ||
>+	       REG_IN_RANGE(addr, MICRO_BP0_0, NOA_WRITE) ||
>+	       REG_IN_RANGE(addr, OA_PERFCNT1_LO, OA_PERFCNT2_HI) ||
>+	       REG_IN_RANGE(addr, OA_PERFMATRIX_LO, OA_PERFMATRIX_HI);
> }
>
> static bool gen8_is_valid_mux_addr(struct i915_perf *perf, u32 addr)
> {
> 	return gen7_is_valid_mux_addr(perf, addr) ||
>-		addr == i915_mmio_reg_offset(WAIT_FOR_RC6_EXIT) ||
>-		(addr >= i915_mmio_reg_offset(RPM_CONFIG0) &&
>-		 addr <= i915_mmio_reg_offset(NOA_CONFIG(8)));
>+	       REG_EQUAL(addr, WAIT_FOR_RC6_EXIT) ||
>+	       REG_IN_RANGE(addr, RPM_CONFIG0, NOA_CONFIG(8));
> }
>
> static bool gen10_is_valid_mux_addr(struct i915_perf *perf, u32 addr)
> {
> 	return gen8_is_valid_mux_addr(perf, addr) ||
>-		addr == i915_mmio_reg_offset(GEN10_NOA_WRITE_HIGH) ||
>-		(addr >= i915_mmio_reg_offset(OA_PERFCNT3_LO) &&
>-		 addr <= i915_mmio_reg_offset(OA_PERFCNT4_HI));
>+	       REG_EQUAL(addr, GEN10_NOA_WRITE_HIGH) ||
>+	       REG_IN_RANGE(addr, OA_PERFCNT3_LO, OA_PERFCNT4_HI);
> }
>
> static bool hsw_is_valid_mux_addr(struct i915_perf *perf, u32 addr)
> {
> 	return gen7_is_valid_mux_addr(perf, addr) ||
>-		(addr >= 0x25100 && addr <= 0x2FF90) ||
>-		(addr >= i915_mmio_reg_offset(HSW_MBVID2_NOA0) &&
>-		 addr <= i915_mmio_reg_offset(HSW_MBVID2_NOA9)) ||
>-		addr == i915_mmio_reg_offset(HSW_MBVID2_MISR0);
>+	       ADDR_IN_RANGE(addr, 0x25100, 0x2FF90) ||
>+	       REG_IN_RANGE(addr, HSW_MBVID2_NOA0, HSW_MBVID2_NOA9) ||
>+	       REG_EQUAL(addr, HSW_MBVID2_MISR0);
> }
>
> static bool chv_is_valid_mux_addr(struct i915_perf *perf, u32 addr)
> {
> 	return gen7_is_valid_mux_addr(perf, addr) ||
>-		(addr >= 0x182300 && addr <= 0x1823A4);
>+	       ADDR_IN_RANGE(addr, 0x182300, 0x1823A4);
> }
>
> static u32 mask_reg_value(u32 reg, u32 val)
>@@ -3572,14 +3574,14 @@ static u32 mask_reg_value(u32 reg, u32 val)
> 	 * WaDisableSTUnitPowerOptimization workaround. Make sure the value
> 	 * programmed by userspace doesn't change this.
> 	 */
>-	if (i915_mmio_reg_offset(HALF_SLICE_CHICKEN2) == reg)
>+	if (REG_EQUAL(reg, HALF_SLICE_CHICKEN2))
> 		val = val & ~_MASKED_BIT_ENABLE(GEN8_ST_PO_DISABLE);
>
> 	/* WAIT_FOR_RC6_EXIT has only one bit fullfilling the function
> 	 * indicated by its name and a bunch of selection fields used by OA
> 	 * configs.
> 	 */
>-	if (i915_mmio_reg_offset(WAIT_FOR_RC6_EXIT) == reg)
>+	if (REG_EQUAL(reg, WAIT_FOR_RC6_EXIT))
> 		val = val & ~_MASKED_BIT_ENABLE(HSW_WAIT_FOR_RC6_EXIT_ENABLE);
>
> 	return val;
>-- 
>2.20.1
>
>_______________________________________________
>Intel-gfx mailing list
>Intel-gfx at lists.freedesktop.org
>https://lists.freedesktop.org/mailman/listinfo/intel-gfx