drm/radeon/cik: properly handle internal cp ints

[karo-tx-linux.git] / drivers / gpu / drm / radeon / cik.c

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index a3bba05872769fa77d1561681de9639aae95acf9..07aa13deaa15528a7f5127ebd77d91604bdb42df 100644 (file)
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -77,6 +77,8 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev);
 static void cik_program_aspm(struct radeon_device *rdev);
 static void cik_init_pg(struct radeon_device *rdev);
 static void cik_init_cg(struct radeon_device *rdev);
+static void cik_enable_gui_idle_interrupt(struct radeon_device *rdev,
+                                         bool enable);
 
 /* get temperature in millidegrees */
 int ci_get_temp(struct radeon_device *rdev)
@@ -4013,6 +4015,8 @@ static int cik_cp_resume(struct radeon_device *rdev)
 {
        int r;
 
+       cik_enable_gui_idle_interrupt(rdev, false);
+
        r = cik_cp_load_microcode(rdev);
        if (r)
                return r;
@@ -4024,6 +4028,8 @@ static int cik_cp_resume(struct radeon_device *rdev)
        if (r)
                return r;
 
+       cik_enable_gui_idle_interrupt(rdev, true);
+
        return 0;
 }
 
@@ -5376,7 +5382,9 @@ static void cik_enable_hdp_ls(struct radeon_device *rdev,
 void cik_update_cg(struct radeon_device *rdev,
                   u32 block, bool enable)
 {
+
        if (block & RADEON_CG_BLOCK_GFX) {
+               cik_enable_gui_idle_interrupt(rdev, false);
                /* order matters! */
                if (enable) {
                        cik_enable_mgcg(rdev, true);
@@ -5385,6 +5393,7 @@ void cik_update_cg(struct radeon_device *rdev,
                        cik_enable_cgcg(rdev, false);
                        cik_enable_mgcg(rdev, false);
                }
+               cik_enable_gui_idle_interrupt(rdev, true);
        }
 
        if (block & RADEON_CG_BLOCK_MC) {
@@ -5895,7 +5904,9 @@ static void cik_disable_interrupt_state(struct radeon_device *rdev)
        u32 tmp;
 
        /* gfx ring */
-       WREG32(CP_INT_CNTL_RING0, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
+       tmp = RREG32(CP_INT_CNTL_RING0) &
+               (CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
+       WREG32(CP_INT_CNTL_RING0, tmp);
        /* sdma */
        tmp = RREG32(SDMA0_CNTL + SDMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
        WREG32(SDMA0_CNTL + SDMA0_REGISTER_OFFSET, tmp);
@@ -6036,8 +6047,7 @@ static int cik_irq_init(struct radeon_device *rdev)
  */
 int cik_irq_set(struct radeon_device *rdev)
 {
-       u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE |
-               PRIV_INSTR_INT_ENABLE | PRIV_REG_INT_ENABLE;
+       u32 cp_int_cntl;
        u32 cp_m1p0, cp_m1p1, cp_m1p2, cp_m1p3;
        u32 cp_m2p0, cp_m2p1, cp_m2p2, cp_m2p3;
        u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
@@ -6058,6 +6068,10 @@ int cik_irq_set(struct radeon_device *rdev)
                return 0;
        }
 
+       cp_int_cntl = RREG32(CP_INT_CNTL_RING0) &
+               (CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
+       cp_int_cntl |= PRIV_INSTR_INT_ENABLE | PRIV_REG_INT_ENABLE;
+
        hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
        hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
        hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;